6 April 2024

How To Grow Herbs Indoors: 10 Tips To Create A Garden Inside

There’s something deeply satisfying about snipping fresh basil for your pasta sauce or plucking mint leaves for your evening tea – all from plants you’ve grown yourself. For those living in flats, homes with small gardens or in cooler climates, learning how to grow herbs indoors is fast becoming an essential skill rather than a casual hobby. The convenience of having fresh herbs at your fingertips, regardless of season or weather, is unmatched.

If you’ve ever bought those small plastic containers of herbs from the supermarket only to watch them wilt within days, you’re not alone. Or perhaps you’ve gazed longingly at your neighbour’s lush garden whilst contemplating your bare windowsill. The good news is that with the right knowledge and a bit of care, anyone can create a thriving herb garden inside their home.

Throughout Britain, more people than ever are discovering the joys and benefits of indoor gardening. From compact flats in London to terraced houses in Manchester, indoor herb garden kits are flying off shelves as urban dwellers reconnect with the simple pleasure of growing their own food.

This blog post will walk you through our top 10 tips for creating and maintaining your indoor herb garden. Whether you’re a complete novice or looking to enhance your existing setup, these tips will help transform your indoor space into a flourishing herb haven that not only provides fresh flavours for your cooking but also brings a touch of nature’s beauty into your home.

Mastering how to grow herbs indoors means having plants in pots and also creating a sustainable system that provides fresh, organic produce year-round while adding life and vibrancy to your living space. So let’s dig in and discover how you can create your own little patch of herbal paradise, regardless of how much space you have available.

1: Choose the Perfect Location

The first step in creating a successful indoor herb garden with a light is finding the perfect spot in your home. Most culinary herbs originate from Mediterranean climates and crave sunshine – lots of it. Ideally, your herbs need at least six hours of natural light per day to thrive.

South-facing windows tend to provide the most consistent light throughout the day, making them prime real estate for your herb collection. If you’re blessed with a kitchen window herb garden spot, you’ll have the added convenience of herbs within arm’s reach while cooking.

For those with east or west-facing windows, don’t despair. These locations can also work well, though they may receive less overall light. North-facing windows, however, typically don’t provide enough natural light for most herbs, so you’ll likely need to supplement with grow lights if these are your only options.

Understanding how to grow herbs indoors successfully also means considering temperature consistency. Avoid placing your herbs near radiators, air conditioning vents or draughty windows, as these can create temperature fluctuations that stress your plants. Most herbs prefer temperatures between 18-24°C (65-75°F), which fortunately aligns well with comfortable home temperatures.

Another factor to consider is humidity. Many homes, especially in winter when heating is running, can become quite dry. Since most herbs prefer moderate humidity, you might need to increase moisture levels by placing your plants on a tray filled with pebbles and water or by misting them occasionally.

Different herbs have different light requirements. Basil, rosemary and thyme are sun-worshippers, while mint, parsley and chives can tolerate partial shade. Matching each herb’s placement to its specific needs will significantly improve your chances of success.

2: Select the Right Herbs for Indoor Growing

Not all herbs are created equal when it comes to indoor cultivation. Some thrive in container environments and tolerate indoor conditions, while others struggle without the expansive space and natural elements of an outdoor garden.

For the indoor herb garden for beginners, I recommend starting with these fool-proof options:

  1. Basil: This popular Italian herb grows quickly and produces abundantly when given adequate light and water.
  2. Chives: These resilient plants offer a mild onion flavour and will regrow after cutting.
  3. Mint: Perhaps too vigorous outdoors (where it can become invasive), mint adapts beautifully to container life and produces aromatic leaves for teas and cocktails.
  4. Parsley: Both flat-leaf and curly varieties grow well indoors and offer extended harvests.
  5. Thyme: This woody perennial is drought-tolerant and perfect for those who occasionally forget to water.

For those looking to expand beyond the basics, consider rosemary, oregano, sage and cilantro. These require slightly more attention but are certainly manageable for indoor gardeners with a bit of experience.

When selecting herbs, consider your cooking preferences. There’s little point in growing herbs you rarely use, no matter how easy they are to maintain. Conversely, if you regularly purchase certain herbs from shops, these should top your growing list.

Some gardeners find success with growing herbs indoors year-round by rotating their selection seasonally. Cool-season herbs like cilantro and dill can struggle during warm summer months indoors, whilst heat-loving basil might need extra care during winter.

When purchasing plants, look for healthy specimens with no signs of yellowing, spots or pests. Young plants generally adapt better to new environments than mature ones, so don’t be tempted by the largest plant in the nursery.

3: Invest in Essential Equipment

Creating a thriving indoor herb garden requires more than just plants and good intentions. The right equipment makes all the difference between struggling seedlings and a bountiful harvest.

Containers are your first consideration. The indoor herb garden containers you choose should have adequate drainage holes to prevent root rot – perhaps the most common cause of herb fatality indoors. Terracotta pots are particularly good for herbs as they’re porous, allowing soil to breathe and reducing the risk of overwatering.

Size matters too. Most herbs need containers at least 15-20 cm (6-8 inches) deep to accommodate their root systems. While those tiny decorative pots might look charming, they’ll quickly become restrictive. If space is at a premium, consider a vertical indoor herb garden that utilises wall space rather than precious countertop real estate.

For those with limited natural light, investing in a proper indoor herb garden with a light system is crucial. LED grow lights have become more affordable and energy-efficient in recent years, making them an excellent option for supplemental lighting. Position lights 30-45 cm (12-18 inches) above your plants and run them for 12-14 hours daily to simulate natural conditions.

Quality potting mix is another essential. Never use garden soil for indoor herbs, as it compacts easily in containers and may harbour pests or diseases. Instead, choose a high-quality, well-draining potting mix specifically formulated for containers. Some gardeners create a custom blend by mixing standard potting soil with perlite or vermiculite to improve drainage.

For those looking for convenience, an AeroGarden indoor herb garden or similar hydroponic system offers a near fool-proof approach. These self-contained units regulate light, water and nutrients automatically, making them ideal for busy individuals or those who’ve struggled with traditional gardening methods.

Other helpful supplies include:

  • Watering can with a narrow spout for precise watering
  • Small pruning shears for harvesting
  • Plant markers to identify different herbs
  • Spray bottle for misting humidity-loving varieties
  • Organic fertiliser specifically formulated for edible plants

Having the right tools from the start sets you up for success and makes maintenance significantly easier as your garden grows.

4: Master the Methods of Starting Your Garden

There are three primary ways to begin your indoor kitchen herb garden: seeds, cuttings or purchased plants. Each method has its advantages and considerations.

Starting from seed is the most economical approach and offers the widest variety of herb options. Many herbs, including basil, cilantro and dill, germinate readily and grow quickly from seed. To start:

  1. Fill containers with moistened potting mix, leaving about 1 cm (½ inch) of space at the top.
  2. Sow seeds according to packet instructions, typically covering them with a thin layer of soil.
  3. Mist gently to avoid displacing seeds.
  4. Cover with plastic wrap to retain moisture and place in a warm location.
  5. Once seedlings emerge, remove the covering and place them in a bright location.

Patience is key when starting from seed – it may take several weeks before your herbs are ready for harvesting.

Propagating from cuttings offers a middle ground between seeds and mature plants. This method works exceptionally well for woody herbs like rosemary, thyme and sage:

  1. Cut a 7-10 cm (3-4 inch) piece from a healthy plant.
  2. Remove leaves from the bottom half of the cutting.
  3. Dip the cut end in rooting hormone (optional but helpful).
  4. Place in a small container of moistened potting mix.
  5. Cover with a plastic bag to create a mini greenhouse and place in bright, indirect light.
  6. Roots typically develop within 3-4 weeks.

Purchasing established plants gives you an immediate head start. Look for healthy specimens at garden centres, farmers’ markets or even supermarkets. When bringing store-bought herbs home:

  1. Gently remove from their original container.
  2. If roots are densely packed (root-bound), gently tease them apart.
  3. Transfer to a slightly larger container with fresh potting mix.
  4. Water thoroughly and place in appropriate light.

For the ultimate convenience, consider investing in a best indoor herb garden kit that includes containers, soil, seeds and sometimes even grow lights – everything you need to get started in one package.

Regardless of which method you choose, begin with just a few varieties until you’ve developed your indoor gardening skills. It’s better to have three thriving herbs than ten struggling ones.

5: Create the Perfect Growing Environment

The secret to a flourishing small indoor herb garden lies in recreating, as closely as possible, the natural environment where these plants thrive. This means balancing several environmental factors.

Light is perhaps the most crucial element. Most culinary herbs evolved in the sun-drenched Mediterranean region and require at least 6 hours of direct sunlight daily. Southern-facing windows typically provide the best natural light in the Northern Hemisphere. If natural light is insufficient, especially during Britain’s darker winter months, supplemental grow lights become essential.

For those venturing into indoor hydroponic herb garden systems, light is even more critical since there’s no soil to provide any nutrients – everything comes from the nutrient solution and photosynthesis. Most hydroponic systems include built-in lighting calibrated specifically for herb growth.

Temperature stability also plays a vital role. Most herbs prefer daytime temperatures between 18-24°C (65-75°F) and night temperatures just a few degrees cooler. Avoid placing herbs near drafty windows or heating vents that create temperature fluctuations.

Humidity presents a particular challenge for indoor herb gardening in the UK, where central heating can create desert-like conditions during winter. Most herbs prefer humidity levels between 40-60%. To increase humidity:

  • Group plants together to create a microclimate
  • Place containers on trays filled with pebbles and water (ensuring pots don’t sit directly in water)
  • Use a small humidifier near your herb garden
  • Mist sensitive herbs occasionally (though avoid misting hairy-leaved herbs like sage)

Air circulation helps strengthen stems and reduces the risk of fungal issues. A gentle fan on low settings can be beneficial, especially in stagnant indoor environments. However, avoid placing herbs in high-traffic areas where they’ll experience strong, continuous drafts.

For those creating a DIY indoor herb garden, consider incorporating multiple growing environments within your home. Perhaps sun-loving basil and rosemary occupy your sunniest windowsill, while shade-tolerant mint and parsley thrive on your indoor herb garden shelf positioned slightly away from direct light.

Different herbs have evolved for different conditions – there’s no one-size-fits-all perfect environment. Observe your plants carefully and be prepared to make adjustments based on their performance.

6: Perfect Your Watering Technique

Proper watering is perhaps the trickiest aspect of maintaining an indoor herb garden planters setup. Unlike outdoor gardens where nature often supplements your efforts, indoor herbs rely entirely on you for their moisture needs.

The golden rule of watering indoor herbs is simple but often overlooked: water when the soil feels dry to the touch about 2-3 cm (1 inch) below the surface. This typically translates to watering most herbs every 3-7 days, depending on your home’s conditions, container size and the specific herb variety.

Different herbs have different water requirements. Mediterranean varieties like rosemary, thyme and oregano prefer dryer conditions and are more likely to suffer from overwatering than underwatering. Conversely, basil, mint and parsley prefer consistently moist (but never soggy) soil.

When you do water, do so thoroughly until water runs from the drainage holes. This ensures the entire root ball receives moisture and helps flush out salt buildup from fertilisers. Always empty saucers after watering to prevent roots from sitting in water, which can lead to root rot.

The type of container affects watering frequency significantly. Terracotta pots are porous and allow soil to dry more quickly than plastic or glazed containers. Similarly, small pots will need more frequent watering than larger ones.

Seasonal adjustments are necessary when growing herbs indoors year-round. During winter, most herbs enter a semi-dormant state and require less frequent watering. Additionally, the dry air from heating systems can increase evaporation from the soil surface while slowing plant transpiration – a tricky combination that requires careful monitoring.

For those often forgetting to water, several solutions exist:

  1. Self-watering containers that maintain consistent moisture levels
  2. Watering globes that slowly release water as the soil dries
  3. Setting calendar reminders for regular watering checks
  4. Moisture meters that take the guesswork out of when to water

The quality of water matters too. If possible, use room-temperature water to avoid shocking plant roots. Some herbs are sensitive to chlorine in tap water, so consider letting water sit overnight before using it, or collect rainwater for the absolute best results.

When you learn how to grow herbs indoors successfully you will develop an intuitive sense of your plants’ water needs rather than needing to follow a rigid schedule. Watch for signs of both overwatering (yellowing leaves, mould on soil surface) and underwatering (wilting, crisp leaf edges) and adjust accordingly.

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7: Use Proper Nutrient Management

Unlike their outdoor counterparts, windowsill herb garden kit plants can’t send their roots exploring for nutrients. Confined to containers, they rely entirely on you to provide essential nutrients for healthy growth.

Contrary to popular belief, herbs don’t need abundant fertiliser – in fact, too much can reduce the concentration of essential oils that give herbs their flavour and aroma. The goal is steady, modest nutrition rather than rapid, forced growth.

For most indoor herbs, fertilising once every 4-6 weeks during the growing season (spring through early autumn) is sufficient. During winter, when plant growth naturally slows, reduce or eliminate fertilising altogether.

Choose a balanced, water-soluble fertiliser specifically formulated for edible plants or herbs. These typically have an N-P-K ratio (nitrogen-phosphorus-potassium) of something like 10-10-10 or 5-5-5. Organic options include fish emulsion, seaweed extract or compost tea, though be aware that some organic fertilisers can have stronger odours that might be noticeable indoors.

When applying fertiliser, a good rule of thumb is to dilute to half the recommended strength on the package. It’s far better to under-fertilise than over-fertilise, as excess nutrients can damage roots and affect flavour.

Signs of nutrient deficiencies include:

  • Yellowing older leaves (often nitrogen deficiency)
  • Purple tinges on leaves (phosphorus deficiency)
  • Brown leaf edges (potassium deficiency)
  • Stunted growth (various deficiencies)

If you’re using a quality potting mix, many contain slow-release fertilisers that provide nutrition for several weeks after planting. Note when this initial supply might be depleted and plan your fertilising schedule accordingly.

For those with a indoor herb garden wall or vertical system, nutrients may not distribute evenly. Plants at the bottom might receive excess runoff while those at the top might need additional feeding.

Hydroponic systems like AeroGarden require their own specific nutrient solutions, typically added every 2-4 weeks according to the manufacturer’s instructions. These systems rely entirely on the nutrient solution for plant nourishment, so following the recommended feeding schedule is crucial.

Herbs grown in optimal light conditions will use nutrients more efficiently than those struggling in insufficient light. Fertilising cannot compensate for inadequate lighting – it may even harm plants by creating nutrient build-up in the soil.

8: Master Pruning and Harvesting Techniques

One of the greatest joys of maintaining an indoor culinary herb garden is the regular harvesting of fresh herbs for your cooking. However, proper harvesting techniques do more than just provide ingredients – they actively encourage bushier growth and higher yields.

The general rule for harvesting most herbs is to take no more than one-third of the plant at any one time. This leaves enough foliage for the plant to photosynthesize and recover quickly. For leafy herbs like basil and mint, pinch stems just above a set of leaf nodes (the points where leaves emerge from the stem). This encourages the plant to branch at that point, creating two stems where there was previously one.

Regular pinching, even when you don’t need the herbs for cooking, is beneficial for plant shape. Without it, many herbs (especially basil) grow tall and leggy with fewer leaves. By pinching the growing tips every few weeks, you’ll create fuller, more productive plants.

Different herbs require slightly different harvesting approaches:

  • Basil: Pinch just above a leaf pair, harvesting from the top to encourage branching
  • Mint: Can be harvested more aggressively; cut stems back to just above a leaf node
  • Parsley and cilantro: Harvest outer stems at the base, allowing inner growth to continue
  • Rosemary and thyme: Clip the ends of stems, avoiding cutting into woody portions
  • Chives: Cut leaves about 2 cm (1 inch) from the base, never taking all leaves from a single plant

For woody herbs like rosemary, thyme and sage, avoid cutting into old wood that has turned brown, as these portions regenerate slowly if at all. Instead, focus on harvesting the greener, newer growth.

The time of day you harvest can affect flavour intensity. Many herb gardeners prefer harvesting in mid-morning after dew has dried but before the day’s heat has caused volatile oils to dissipate.

Don’t be afraid to harvest regularly – most herbs benefit from it. In fact, allowing plants like basil and cilantro to flower can cause the leaves to become bitter and signals the plant to focus energy on seed production rather than leaf growth. Regular harvesting delays this flowering process.

For those with a particularly productive indoor herb garden with a light setup, consider preserving excess harvest by:

  • Freezing chopped herbs in ice cube trays with water or olive oil
  • Drying herbs by hanging small bundles upside down
  • Creating herb-infused vinegars or oils
  • Making compound butters that can be frozen for future use

Proper pruning and harvesting are two key skills when learning how to grow herbs indoors and by doing so your plants will likely live sustainably for months or even years. With the right techniques, a single plant can provide dozens of harvests.

9: Troubleshoot Common Problems

Even the most attentive gardeners encounter issues with their indoor herb garden ideas implementation. Knowing how to identify and address common problems quickly can save your herbs before irreversible damage occurs.

Leggy, stretched plants with pale leaves and long distances between leaf nodes typically indicate insufficient light. If you can’t move the plant to a brighter location, supplemental grow lights are the solution. Position lights closer to the plants and consider extending the duration they’re on each day.

Yellowing leaves can signal several different issues:

  • Yellowing from the bottom up often indicates overwatering
  • Overall yellowing with dry soil suggests underwatering
  • Yellowing between leaf veins might indicate nutrient deficiencies
  • Sudden yellowing of leaves that then drop could be temperature stress

Brown, crispy leaf edges usually point to low humidity or fertiliser burn. Increase humidity around plants and flush the soil thoroughly with plain water if you suspect excess fertiliser.

Pest infestations can occur even indoors. Common culprits include:

  • Aphids: Tiny green, black or white insects that cluster on new growth
  • Spider mites: Nearly microscopic pests that cause stippling on leaves and fine webbing
  • Fungus gnats: Small flying insects emerging from the soil, indicating soil that stays too wet
  • Whiteflies: Tiny white insects that fly up when plants are disturbed

For organic pest control, try:

  1. A strong spray of water to dislodge pests
  2. Insecticidal soap applied to affected areas
  3. Neem oil for persistent problems
  4. Sticky traps for flying insects

Fungal issues like powdery mildew or grey mould typically result from poor air circulation combined with high humidity or water on leaves. Improve airflow around plants, avoid overhead watering and ensure leaves don’t touch wet surfaces.

Root rot, evidenced by blackened, mushy roots and a general plant decline, requires immediate attention. Remove the plant from its container, trim away affected roots, disinfect the container and repot in fresh soil. Adjust watering practices to prevent recurrence.

If herbs flower before you want them to (known as “bolting”), this typically indicates stress – often from heat or insufficient light. Regular harvesting helps prevent premature flowering. For annual herbs like cilantro and dill that are determined to flower, consider succession planting where you start new plants every few weeks.

When designing your indoor herb garden shelf setup, consider separating herbs with different needs. This prevents problems from spreading and allows you to create microenvironments suited to specific varieties.

10: Expand Your Indoor Garden Thoughtfully

Once you’ve mastered the basics with a few plants, you might find yourself inspired to expand your indoor herb garden wall or counter space with additional varieties. Expanding thoughtfully ensures continued success as your collection grows.

Before adding more plants, honestly assess your available space, light conditions and time for maintenance. It’s better to have a handful of thriving herbs than dozens of neglected ones. Consider vertical space using wall-mounted planters, tiered stands or hanging containers to maximise limited horizontal surfaces.

Creating themed collections can add purpose and focus to your expansion:

  • Tea garden: Mint, chamomile, lemon balm and lemon verbena
  • Italian cuisine: Basil, oregano, thyme and parsley
  • Asian flavours: Cilantro, Thai basil, lemongrass and shiso
  • Medicinal herbs: Lavender, echinacea, calendula and sage

For those with serious culinary interests, consider dedicating space to a proper indoor culinary herb garden with less common varieties like chervil, tarragon, lovage or winter savory that can be difficult to find fresh in shops.

As your collection grows, efficiency becomes increasingly important. Consider:

  • Grouping herbs with similar water needs together
  • Setting up automated watering systems for vacation times
  • Creating a maintenance schedule to ensure no plant gets overlooked
  • Implementing a rotation system where plants take turns in prime window positions

For year-round success, implement succession planting for short-lived annuals like cilantro, dill and basil. Start new seeds every 3-4 weeks to ensure continuous harvest as older plants decline.

If space allows, dedicated grow stations with shelving and proper lighting can free you from dependence on window space. These setups enable growing herbs indoors year-round without seasonal limitations.

Expanding into hydroponic or aquaponic systems offers another dimension to indoor gardening. These soil-free methods can produce abundant harvests in small spaces and often with less maintenance once systems are established. A small indoor hydroponic herb garden can produce surprising yields in limited space.

Don’t forget to share your bounty. Herbs make wonderful gifts when potted attractively, and trading cuttings with friends introduces variety to your collection without additional expense.

How To Grow Herbs Indoors: Bringing Nature Inside

Creating a thriving indoor herb garden brings multiple rewards that extend far beyond the practical benefit of fresh ingredients. There’s something profoundly satisfying about nurturing living plants that return the favour by enhancing your meals and your living environment.

Getting to grips with how to grow herbs indoors connects us to ancient traditions of cultivation while adapting them to modern living spaces. Whether you’ve started with a simple windowsill herb garden kit or developed an elaborate multi-tiered growing system, the fundamental relationship between gardener and plant remains the same – one of care, attention and reward.

Beyond the flavour benefits, indoor herb gardening offers therapeutic advantages well-documented by research. The act of tending plants reduces stress, improves mood and creates moments of mindfulness in our often hectic lives. Even the scent of herbs like rosemary and lavender has been shown to improve concentration and reduce anxiety.

For those in urban environments particularly, an indoor herb garden planters arrangement brings a vital connection to nature that might otherwise be missing from daily life. The simple presence of growing things contributes to improved air quality and a sense of vitality in living spaces.

As you develop your skills, don’t be afraid to experiment and adapt. Every home presents unique conditions, and part of the joy of gardening is discovering what works in your particular environment. Share your successes and challenges with other gardening enthusiasts – whether online or in person – as the community of indoor gardeners continues to grow and innovate.

Perfection isn’t the goal. Even experienced gardeners lose plants occasionally or struggle with certain varieties. Each challenge presents an opportunity to deepen your understanding and refine your approach.

Whether you began with practical motivations or aesthetic ones, the ongoing rewards of maintaining an indoor herb garden will likely exceed your expectations. Fresh flavours, beautiful greenery, aromatherapy benefits and the simple satisfaction of nurturing life all combine to make this one of the most rewarding hobbies you can bring into your home.

So place your pots in a sunny window, sprinkle those seeds, moisten that soil and begin the rewarding journey of bringing a bit of the garden inside, regardless of weather, season or available outdoor space. Your kitchen – and your senses – will be only too grateful.

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