The Best 5 Herbs to Grow Indoors in the UK | Easy Home Herb Gardening
Growing fresh herbs indoors is a fantastic way to enhance your cooking while adding greenery to your home.
Here in the UK, many herbs will thrive indoors even if you only have small windowsill to grow them! These lovely plants will providing fresh flavors and natural aromas all year round.
From hardy rosemary to fragrant basil, this guide explores the best herbs to grow indoors, along with essential tips to keep them healthy. Whether you’re a beginner or an experienced gardener, find out how to cultivate a thriving indoor herb garden with ease.
In this article, we talk about the top 5 herbs that thrive indoors.
Table of Contents
The best herbs to grow in your home
Basil (Ocimum basilicum)
Why it’s great: Basil is a beloved herb in the UK, used in a variety of dishes, from classic Italian pasta to fragrant Thai curries.
Growing basil indoors ensures a steady supply of its aromatic leaves throughout the year.
Indoor Care Tips: Place your basil pot in a sunny windowsill or under a grow light for at least 6 hours of sunlight daily.
Keep the soil consistently moist but not waterlogged. Regularly pinch off the top leaves to encourage bushier growth.
Parsley (Petroselinum crispum)
Why it’s great: Parsley is a versatile herb used as a garnish or a flavorful addition to a wide range of dishes.
It’s easy to grow indoors and adds a fresh burst of green to your kitchen.
Indoor Care Tips: Parsley prefers bright, indirect sunlight. Water it regularly to keep the soil consistently moist but not soggy.
Pinch off the outer leaves to encourage new growth.
Chives (Allium schoenoprasum)
Why it’s great: Chives lend a mild onion flavor to dishes and are a delightful addition to salads, soups, and omelets.
They are incredibly easy to grow indoors and can be harvested throughout the year.
Indoor Care Tips: Place chives in a sunny windowsill or under a grow light. Water when the soil surface starts to dry out, and trim the leaves with scissors as needed.
Mint (Mentha spp.)
Why it’s great: Mint is a fragrant and refreshing herb used in teas, cocktails, and desserts.
It’s an excellent choice for indoor cultivation, as it can be invasive when planted in the garden.
Indoor Care Tips: Mint prefers bright, indirect light but can tolerate some shade. Keep the soil consistently moist but not waterlogged.
Prune regularly to prevent leggy growth and encourage bushiness.
Thyme (Thymus vulgaris)
Why it’s great: Thyme adds a delightful earthy and aromatic flavor to a variety of dishes, including roasted meats and stews.
Growing thyme indoors allows you to have this essential herb readily available.
Indoor Care Tips: Place thyme in a sunny location, ideally in a south-facing window. Water it sparingly, allowing the top inch of soil to dry out between waterings.
Prune to maintain its shape and encourage fresh growth.
Which indoor herbs grow well together?
When choosing herbs to grow together indoors, it’s important to consider factors such as sunlight requirements, watering needs, and growth habits to ensure compatibility.
Here are some indoor herbs that grow well together:
Basil (Ocimum basilicum) and Parsley (Petroselinum crispum)
Basil and parsley are both popular culinary herbs that thrive in similar growing conditions.
They prefer bright, indirect light and moist, well-draining soil. Plant them together in a sunny windowsill or under a grow light and water them regularly to keep the soil evenly moist.
Chives (Allium schoenoprasum) and Thyme (Thymus vulgaris)
Chives and thyme are versatile herbs that complement each other well in both flavor and growth habits.
Chives produce delicate, onion-flavored leaves that can be snipped and added to dishes as a garnish, while thyme offers a subtle, earthy flavor that pairs well with a variety of savory dishes.
Plant them together in a sunny spot and water them moderately to keep the soil evenly moist.
Rosemary (Rosmarinus officinalis) and Sage (Salvia officinalis)
Rosemary and sage are aromatic herbs with woody stems and strong flavors that can withstand drier indoor conditions.
They prefer bright, indirect light and well-draining soil. Plant them together in a container with good airflow and water them sparingly to prevent waterlogged soil.
Mint (Mentha spp.) and Lemon Balm (Melissa officinalis)
Mint and lemon balm are both members of the mint family and share similar growing requirements.
They prefer partial shade to full sun and moist, well-draining soil. Plant them together in a container with ample drainage holes to prevent waterlogging and water them regularly to keep the soil evenly moist.
Cilantro (Coriandrum sativum) and Dill (Anethum graveolens)
Cilantro and dill are popular herbs used in a variety of cuisines for their distinct flavors and aromas.
They prefer full sun to partial shade and well-draining soil. Plant them together in a sunny windowsill or under a grow light and water them regularly to keep the soil evenly moist.
Oregano (Origanum vulgare) and Marjoram (Origanum majorana)
Oregano and marjoram are closely related herbs with similar flavor profiles and growing requirements.
They prefer full sun to partial shade and well-draining soil. Plant them together in a sunny spot and water them moderately to keep the soil evenly moist.
When growing indoor herbs together, it’s important to monitor their growth and adjust care practices as needed to ensure they remain healthy and productive.
Pay attention to signs of stress such as wilting, yellowing leaves, or pest infestations, and take appropriate action to address any issues that arise.
With proper care and attention, you can enjoy a bountiful harvest of fresh herbs year-round from your indoor garden.
What herbs can I grow indoors all year round?
Here are some herbs that you can grow indoors all year round:
Basil (Ocimum basilicum)
Basil is a popular culinary herb with a fresh, aromatic flavor that is commonly used in Italian cuisine. It thrives indoors with bright, indirect light and well-draining soil.
Keep the soil evenly moist and pinch off the tops of the stems regularly to encourage bushy growth.
Chives (Allium schoenoprasum)
Chives are a versatile herb with a mild onion flavor that is often used as a garnish in salads, soups, and other dishes.
They grow well indoors with moderate sunlight and well-draining soil. Water them regularly to keep the soil evenly moist and harvest the leaves as needed.
Mint (Mentha spp.)
Mint is a fast-growing herb with a refreshing flavor that is commonly used in beverages, desserts, and savory dishes. It thrives indoors with partial shade to full sun and moist, well-draining soil.
Be sure to provide ample airflow around the plants to prevent mildew and mold.
Parsley (Petroselinum crispum)
Parsley is a versatile herb with a fresh, vibrant flavor that is often used as a garnish or ingredient in a wide range of dishes.
It grows well indoors with bright, indirect light and well-draining soil. Keep the soil evenly moist and harvest the leaves as needed.
Thyme (Thymus vulgaris)
Thyme is a fragrant herb with a subtle, earthy flavor that is commonly used in soups, stews, and roasted dishes.
It thrives indoors with bright, indirect light and well-draining soil. Water thyme plants regularly to keep the soil evenly moist and prune them back occasionally to encourage bushy growth.
Rosemary (Rosmarinus officinalis)
Rosemary is a woody herb with a strong, aromatic flavor that is often used in Mediterranean cuisine. I
t prefers bright, indirect light and well-draining soil. Allow the soil to dry out slightly between waterings and avoid overwatering, as rosemary plants are susceptible to root rot in soggy soil.
Oregano (Origanum vulgare)
Oregano is a flavorful herb with a pungent, slightly bitter taste that is commonly used in Italian and Greek dishes.
It grows well indoors with bright, indirect light and well-draining soil. Water oregano plants regularly to keep the soil evenly moist and harvest the leaves as needed.
Lemon Balm (Melissa officinalis)
Lemon balm is a member of the mint family with a mild, lemony flavor that is often used in teas, desserts, and savory dishes.
It thrives indoors with partial shade to full sun and moist, well-draining soil. Water lemon balm plants regularly to keep the soil evenly moist and prune them back occasionally to maintain bushy growth.
How to grow herbs indoors in the UK
Growing herbs indoors in the UK is a rewarding way to have fresh, flavorful herbs readily available for cooking, even during colder months. With our unpredictable UK weather, growing herbs indoors is a safe bet for consistent growth.
If you would prefer to jump to the best herbs to grow in your UK home, you can do this here : the best herbs to grow in your UK home
Here’s a step-by-step guide on how to grow herbs indoors:
1. Select Suitable Herbs
Choose herbs that thrive indoors and tolerate lower light conditions. Popular options include basil, thyme, parsley, chives, mint, rosemary, and oregano.
2. Choose the Right Location
Place your herb garden near a window that receives ample natural light. South or southwest-facing windows tend to provide the best light in the UK.
3. Use Suitable Containers
Opt for pots or containers with good drainage to prevent waterlogging. Ensure they are large enough to accommodate herb roots and have saucers to catch excess water.
4. Quality Potting Mix
Use well-draining, high-quality potting mix suited for herbs. This will provide good aeration and drainage.
5. Planting and Watering
Carefully transplant herbs into the containers, ensuring they have enough space to grow. Water thoroughly but avoid overwatering. Allow the soil to dry slightly between waterings.
6. Lighting
Supplement natural light with artificial grow lights, especially during darker winter months, to provide adequate light for healthy herb growth.
7. Temperature and Humidity
Most herbs prefer room temperatures between 15-21°C (60-70°F). Monitor humidity levels, as indoor environments can become dry; misting or using a humidifier can help.
8. Fertilization
Use a diluted, water-soluble fertilizer occasionally during the growing season to provide essential nutrients.
9. Regular Maintenance
Trim or harvest herbs regularly to encourage growth and prevent them from becoming leggy. Prune flowering stems to prolong the plant’s life.
10. Pest and Disease Control
Inspect plants regularly for pests like aphids or fungal diseases. Treat promptly using natural remedies or organic insecticidal soap if necessary.
11. Rotation and Care
Rotate pots periodically to ensure even light exposure on all sides of the plant. Monitor the soil for dryness and adjust watering accordingly.
12. Harvesting
Harvest herbs by cutting mature leaves or stems. Avoid removing more than one-third of the plant at a time to allow for continuous growth.
Common Questions related to Growing Herbs Indoors
What kind of light do indoor herbs need?
Most herbs require at least 6-8 hours of bright, indirect sunlight each day to thrive. A south-facing window is usually the best location for indoor herbs. If natural light is insufficient, consider using grow lights to supplement.
LED grow lights are energy-efficient and provide the full spectrum of light needed for healthy herb growth.
How often should I water indoor herbs?
Watering needs vary depending on the herb, but generally, indoor herbs should be watered when the top inch of soil feels dry to the touch.
Overwatering can lead to root rot, so ensure that pots have proper drainage. Herbs like mint and basil prefer slightly more moisture, while rosemary and thyme prefer drier conditions.
What type of soil is best for growing herbs indoors?
A well-draining potting mix is essential for indoor herbs. A mix specifically designed for herbs or vegetables is ideal.
Adding perlite or sand can improve drainage.
Avoid using garden soil, as it may not drain well and can introduce pests or diseases to your indoor plants.
Do indoor herbs need fertilizer?
Yes, indoor herbs benefit from regular feeding, especially since they are grown in pots with limited nutrients.
Use a balanced, water-soluble fertilizer every 4-6 weeks during the growing season (spring and summer).
Dilute the fertilizer to half the recommended strength to avoid over-fertilizing, which can harm the plants.
How do I prevent pests on indoor herbs?
To prevent pests on indoor herbs:
- Inspect plants regularly for signs of pests like aphids, spider mites, or whiteflies.
- Use insecticidal soap or neem oil as a natural treatment if pests are detected.
- Ensure good air circulation around your plants to prevent mold and mildew.
- Keep the growing area clean and remove any dead or decaying plant material.
Can I grow herbs indoors all year round?
Yes, with the right conditions, herbs can be grown indoors year-round. Providing adequate light, maintaining a consistent temperature, and proper watering will keep your herbs healthy through all seasons.
During the winter months, using grow lights can help compensate for shorter daylight hours.
How do I harvest herbs without harming the plant?
To harvest herbs:
- Pinch or cut the leaves or stems just above a leaf node (the point where the leaves meet the stem) to encourage new growth.
- Harvest in the morning when the oils in the leaves are most concentrated.
- Avoid harvesting more than one-third of the plant at a time to prevent stress and ensure continuous growth.
Regular harvesting can also help prevent herbs like basil and mint from becoming too leggy.
Can I grow herbs in a kitchen with low light?
Some herbs, such as mint, parsley, and chives, can tolerate lower light conditions better than others.
However, even these herbs will benefit from some direct sunlight or supplemental grow lights. If your kitchen has very little natural light, placing the herbs near a bright window or using grow lights is recommended.
How do I deal with leggy indoor herbs?
Leggy herbs are usually a sign of insufficient light. To prevent or fix leggy growth:
- Increase light exposure by moving the herbs to a brighter location or adding grow lights.
- Pinch back the tips of the herbs regularly to encourage bushier growth.
- Rotate the plants periodically to ensure all sides receive equal light.
Proper lighting and regular pruning are key to maintaining compact, healthy plants.
Can I grow herbs in water instead of soil?
Yes, many herbs can be grown hydroponically, meaning in water instead of soil. Herbs like basil, mint, and oregano can easily root and grow in water.
Simply place cuttings in a glass of water and change the water regularly to prevent stagnation.
However, these herbs may need additional nutrients since soil provides essential minerals not found in water alone.
What is the best way to propagate indoor herbs?
The best ways to propagate indoor herbs include:
- Cuttings: Many herbs like basil, mint, and rosemary root easily from cuttings. Place the cutting in water or directly in soil until roots develop.
- Division: Herbs like chives and mint can be divided at the root and replanted to create new plants.
- Seeds: Starting herbs from seeds is economical but requires patience and proper light. Basil, cilantro, and parsley are easy to start from seeds.
How do I prevent mold or mildew on indoor herbs?
To prevent mold or mildew:
- Ensure good air circulation by spacing plants adequately and using a fan if necessary.
- Water at the base of the plant rather than overhead to keep leaves dry.
- Remove any affected leaves immediately and reduce humidity if mold appears.
- Avoid overwatering and ensure pots have proper drainage.
You can learn more about how to reduce mold / mould on indoor plants here : How to Remove and Prevent White Mould on Houseplants
Can I grow herbs indoors in small spaces?
Yes, herbs are well-suited to small spaces like windowsills, balconies, or even kitchen countertops.
Use vertical planters, hanging pots, or stackable containers to maximize space. Compact herbs like chives, parsley, and thyme are ideal for small spaces.
Are there any herbs that are difficult to grow indoors?
Some herbs can be more challenging to grow indoors due to their specific light or temperature needs. Examples include:
- Cilantro: Prefers cooler temperatures and can be prone to bolting indoors.
- Lavender: Requires full sun and well-drained soil, which can be difficult to replicate indoors.
- Rosemary: Needs a lot of light and good air circulation, making it tricky for indoor environments.
How do I choose the right pot for indoor herbs?
When choosing pots for indoor herbs:
- Select pots with drainage holes to prevent waterlogging.
- Use containers that are slightly larger than the root ball to allow for growth.
- Opt for breathable materials like terracotta to prevent root rot.
- Consider using self-watering pots for herbs that require consistent moisture.
What temperature is ideal for growing indoor herbs?
Most indoor herbs thrive in temperatures between 65-75°F (18-24°C). Avoid placing herbs near drafts, air conditioning vents, or radiators, as sudden temperature changes can stress the plants.
Keeping the environment stable will promote healthy growth.
Can I grow herbs indoors without sunlight?
While natural sunlight is ideal, herbs can be grown indoors without direct sunlight using artificial grow lights. LED grow lights are energy-efficient and provide the necessary light spectrum for photosynthesis.
Place the lights close to the plants and use a timer to mimic natural daylight cycles.
How do I prevent indoor herbs from bolting?
Bolting occurs when herbs like cilantro or basil produce flowers and go to seed, often in response to stress or high temperatures. To prevent bolting:
- Keep the herbs cool by placing them in a well-ventilated area.
- Provide consistent light and water to reduce stress.
- Harvest regularly to encourage leaf production and delay flowering.
Once bolting starts, it can be difficult to stop, and the flavor of the leaves may change.
What is the lifespan of indoor herbs?
The lifespan of indoor herbs varies depending on the type:
- Annual herbs like basil and cilantro typically last one growing season (6-9 months).
- Perennial herbs like rosemary, thyme, and oregano can live for several years with proper care.
- Biennial herbs like parsley usually live for two years, producing leaves in the first year and flowers in the second.
Regular pruning, repotting, and good care can extend the lifespan of your indoor herbs.
Conclusion
Bringing the garden into your home by growing herbs indoors in the UK is a wonderful way to enhance your culinary creations with fresh and flavorful ingredients.
Whether you’re adding basil to your pasta, sprinkling parsley on your potatoes, or garnishing with chives, these top five herbs are easy to care for and will thrive in the comfort of your kitchen.
So, roll up your sleeves, pot up these herbs, and enjoy the benefits of year-round, homegrown flavor!
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