How to Grow Basil Successfully at Home

Written by
Benjamin Miller
Reviewed by
Prof. Samuel Fitzgerald, Ph.D.Find out how to cultivate basil where it is exposed to the sun for at least 6 hours each day
Water just when your topsoil is dry so your plant does not develop root rot
Trim your basil every week above a set of leaves to ensure it continues to grow outward
Pinch off any budding flowers on your basil immediately so the leaves remain edible
Use fertilizers like compost tea every 2-3 weeks, and/or other organics that you purchase
Prune a third or more of your basil at one time to keep it actively producing.
Article Navigation
Understanding how to grow basil unlocks creativity in the kitchen and fun in the garden. This aromatic herb is a culinary star worldwide and a loyal garden friend. I clearly remember my first basil plant. It happily grew and developed on a sunny windowsill. Its unlimited uses make it a must-have for the beginner grower who wants to have a sure harvest.
The foundation of your success will be based on three non-negotiable pillars. Light. Light. Light. Sunlight exposure for six hours a day. Regular pruning to retain bushy growth. Timing your watering and harvesting. These three principles work just as well in backyard beds or in a container gardening situation.
In just a few weeks, you can expect to see lively fresh basil leaves using these organic techniques! Skip the chemical boosters, whether liquid or granular, and opt for all-natural options, such as fish emulsion. Your plants will yield fragrant leaves that are perfect for making caprese salads or homemade pesto. Start small and enjoy every new leaf you get.
Common Growing Challenges
Seeing yellow leaves usually means overwatering or a lack of nutrients. I had to learn this lesson when I lost my first basil crop due to waterlogged soil. To check moisture, insert a finger an inch deep. If it feels damp, then wait to water. For low nitrogen, make a diluted weekly application of fish emulsion. This organic solution nourishes plants while leaving no harmful residue, promoting healthier, greener leaves without the use of chemicals.
Leggy growth is a sign that your plant is reaching for the light, so move it to a sunnier place right away! Pinch back stems just above the leaf nodes so the plant can redirect its energy to the remaining parts. I rotate my balcony plants every month to maintain even light exposure. Want to avoid stretching in the future? Provide at least six hours of direct sunlight each day.
To eradicate aphids, apply a mixture of soap and water to the leaves, or blast them off the stems using a hose nozzle as a starting point. For slug damage, use crushed eggshell barriers around your plants. They hang out under the leaves and can cause damage during the day. Use a flashlight to check for them each night.
Eliminate flower buds as soon as they appear. Pinch them off with your fingernails so the leaves will stay flavorful. Flowering triggers the production of bitter compounds in the leaves. If buds appear, strip the stem immediately and harvest the entire plant. Only allow those plants that you designate to flower and save only their seeds.
Watering and Feeding Basics
There is a huge difference between watering plants in a garden bed and a container. With *plants in the ground*, I will water slowly and deeply only after the top inch (2.5 cm) starts to feel dry. I'll use my knuckle to check the moisture in the soil before I pick up the hose. With *basil in a container*, I need to check it daily, especially during very hot days (temperatures above 80°F or 27°C). Containers dry faster than garden beds, so I water them until the water drains from the bottom.
Prioritize organic fertilizers to safeguard your basil. Feed it with compost tea approximately every 3 weeks, or if you prefer, use fish emulsion diluted with 1 tbsp per gallon (15 ml per 3.8 L) of water. This natural fertilizer wouldn't cause chemical build-up. Moisture can be an issue with fish emulsion. Chemical-based fertilizers, such as Miracle-Gro, are effective, but they may alter the taste of your herbs. They can be used at half-strength on container herbs.
Accurate nutrient measurement promotes healthy growth. Use worm castings at ¼ cup (60 ml) per month incorporated into top soil. For potassium addition chop up banana peels and bury below roots. The measurements are also imperial to metric conversion: 1 inch equals 2.5 cm, 1 gallon equals 3.8 liters. These precise amounts work to prevent root burning.
Practices should be adjusted seasonally. In the summer, increase the watering frequency for pots located on hot patios. Reduce feeding six weeks before the first frost to harden off the plants. My plants always thrive when I adjust my care to match the weather. Just remember, overly fed basil will produce rapid growth but weak flavor.
Watering Frequency
- Check soil moisture: Insert finger up to second knuckle; water only when top 1 inch (2.5 cm) feels dry
- Deep watering method: Soak soil until water drains from bottom holes for containers or penetrates 6 inches (15 cm) deep for garden beds
- Morning timing: Water before 10 AM to reduce evaporation and prevent fungal diseases
- Signs of overwatering: Yellow leaves and wilting despite moist soil
Container Adjustments
- Increased frequency: Pots dry 2-3x faster than ground; check daily in temperatures above 80°F (27°C)
- Self-watering pots: Use reservoirs or ollas to maintain consistent moisture in hot climates
- Material considerations: Terracotta pots lose moisture faster than plastic; adjust watering accordingly
- Drainage necessity: Ensure all containers have multiple drainage holes to prevent root rot
Organic Feeding
- Compost tea: Steep aged compost in water for 48 hours; apply every 3 weeks
- Fish emulsion: Dilute 1 tbsp per gallon (15ml per 3.8L); use biweekly during active growth
- Natural amendments: Mix 1/4 cup (60ml) worm castings into topsoil monthly for slow-release nitrogen
- Banana peel fertilizer: Bury chopped peels near roots for potassium boost
Synthetic Fertilizers
- Balanced NPK: Use 5-5-5 formula monthly; halve strength for containers
- Water-soluble application: Dissolve 1 tsp per gallon (5ml per 3.8L) every 2 weeks
- Foliar feeding: Spray diluted solution on leaves early morning for quick absorption
- Stop timing: Cease feeding 6 weeks before first expected frost
Soil Preparation
- pH adjustment: Test soil annually; add lime if below 6.0 or sulfur if above 7.0
- Drainage mix: Combine 60% garden soil with 30% compost and 10% perlite
- Pre-plant nutrition: Work 2 inches (5 cm) of aged manure into topsoil before planting
- Container blend: Use potting mix with slow-release fertilizer like Miracle-Gro Performance Organics
Climate and Location Tips
Hot climates exceeding 90 °F (32 °C) demand extra measures. Use afternoon shade with taller plants or shade cloth. Use heat-tolerant varieties, such as Siam Queen basil. Water daily at sunrise and use mulch to keep the roots cool. During heatwaves, I protect my plants in Texas with temporary shade structures like this one.
Temperate Zones require full sun for six to eight hours a day, plant at the last frost with soil temperature of 70°F (21°C). Protect your garden from excessive wind with fabric. My establishment in Oregon benefits from southern exposure for planting beds. Ed Soil with compost before transplanting seedlings.
Cool areas can enjoy the benefits of season extension techniques, such as the use of cloches two weeks before the final frost date, seedlings in pots under grow lights indoors for four or six weeks before moving outside, potted plants you can easily move indoors late in the season for unexpected cold snaps, and Genovese basil varieties that produce well in zones with shorter growing seasons.
Test the soil pH annually using home kits available at garden centers. For acidic soil with a pH reading below 6.0, add 1 cup per 10 square feet (0.24 L per 0.9 square meters) of garden lime. For alkaline soil with a pH above 7.0, a sulfur dose of half this rate is required. Containers need a pH-buffered potting mix.
Indoor solutions need 12 hours under LED grow light, at 2-4 inches (5-10 cm) above the plants. Maintain temperatures around windows consistently at 70-80°F (21-27°C). Maintain consistent humidity levels to prevent leaf curl in plants kept in dry rooms. Run fans for 2 hours daily to develop strong stems.
Hot Climate Adaptation
- Afternoon shade: Use shade cloth or plant near taller crops when temperatures exceed 90°F (32°C)
- Heat-tolerant varieties: Choose Siam Queen or African Blue basil that withstand high temperatures
- Watering frequency: Irrigate daily in morning; use mulch to keep roots cool and conserve moisture
- Container strategy: Place pots in partially shaded areas during peak afternoon heat
Moderate Climate Optimization
- Full sun placement: Ensure 6-8 hours direct sunlight for maximum growth and flavor development
- Planting timing: Transplant after last frost when soil reaches 70°F (21°C) for vigorous establishment
- Soil preparation: Amend with compost before planting to improve drainage and nutrient retention
- Wind protection: Use garden fabric or plant near fences if exposed to strong winds
Cool Climate Solutions
- Season extension: Use cloches or cold frames 2 weeks before last frost date for earlier planting
- Indoor starts: Begin seedlings indoors 4-6 weeks before outdoor transplanting date
- Container mobility: Grow in pots that can be moved indoors during unexpected cold snaps
- Variety selection: Opt for cold-tolerant types like Genovese that mature quickly in shorter seasons
Indoor Growing Conditions
- Light requirements: Provide 12 hours daily under LED grow lights placed 2-4 inches (5-10 cm) above plants
- Temperature control: Maintain consistent 70-80°F (21-27°C); avoid drafty windows during winter
- Humidity management: Use pebble trays or humidifiers in dry environments to prevent leaf curl
- Air circulation: Run oscillating fan 2 hours daily to strengthen stems and prevent fungal issues
Soil and pH Management
- Testing frequency: Check pH annually using home test kits; adjust before each planting season
- Acidic soil correction: Add garden lime at 1 cup per 10 sq ft (0.24L per 0.9 sq m) if pH <6.0
- Alkaline soil adjustment: Incorporate sulfur at ½ cup per 10 sq ft (0.12L per 0.9 sq m) if pH >7.0
- Container specific: Use potting mix with pH buffer for stable growing conditions
Planting and Harvesting Techniques
When planting container basil, space plants about 6-8 inches (15-20 cm) apart for airflow. Ensure that you use a potting mix that drains well and has drainage holes that prevent roots from rotting. For garden beds, space plants about 12-18 inches (30-45 cm) apart, or in rows, so mature plants can spread without fighting over nutrients.
When transplanting, place plants at the same level in the nursery soil. If seedlings are spindly, bury the stems until the first set of leaves appears. Sterilize all tools with 70% alcohol before cutting roots or stems to prevent contamination. I disinfect my pruners between plants to prevent the transfer of diseases.
Cut ½ inch (1.25 cm) above leaf nodes when plants reach 6 inches (15 cm) high. Use sterilized scissors and make clean cuts at a 45° angle facing away from the stem. Harvest in the morning after the dew has dried to get the most essential oils.
When harvesting, limit the amount to a maximum of one-third of the plant in a single harvest session. Rotate harvesting areas to provide recovery time. Do not cut below the lowest leaves that would represent an entire stem. Weekly harvest yield results in continual growth, keeping the plants productive for months.
Pruning for Maximum Growth
Start initial pruning once plants reach 6 in (15 cm) tall. Cut the main stem 1/2 in (1.25 cm) above the second leaf node with sterilized scissors. I always dip tools in 70% alcohol first. This stimulates two new branches to start bushier growth, rather than a single stem.
Engaging in active pruning is recommended every week during growth season. Pinch back the stem top 1 inch (2.5 cm), above a leaf pair. To prevent a ringing effect and promote leaf production, make the cuts at a 45-degree angle and outward. I find my plants double their harvests with this continual maintenance.
Perform corrective pruning on sickly and leggy plants. Cut back stems to 4 inches (10 cm) tall from the soil line. Obliterate diseased portions at their base. After heavy pruning, use diluted fish emulsion. The lowest leaf node should never be pruned down on the plant until it has to recover.
After they appear as tiny green cones, remove the flower buds without delay. Then pinch them off daily throughout the summer. To allow pollinators to access the plants, allow only about 10% of the plants to be in flower. This ensures vegetative growth and prevents the development of bitter leaves. I check everything every day with my coffee.
Initial Pruning
- Timing: When plant reaches 6 inches (15 cm) height
- Method: Cut main stem ½ inch (1.25 cm) above second leaf node
- Tool: Use sterilized scissors dipped in 70% isopropyl alcohol
- Purpose: Stimulates two new branches for bushier growth
Maintenance Pruning
- Frequency: Weekly during active growing season
- Target: Pinch top 1 inch (2.5 cm) of each stem above leaf pairs
- Angle: Make 45° cuts facing outward to direct new growth
- Benefit: Prevents legginess and maximizes leaf production
Flower Bud Removal
- Identification: Pinch small green cones at stem tips immediately
- Timing: Daily inspection during summer months
- Alternative: Allow 10% flowering for pollinators if desired
- Critical: Prevents bitter leaves and maintains vegetative growth
Corrective Pruning
- For leggy plants: Cut back to 4 inches (10 cm) above soil
- For damage: Remove bruised/diseased stems at their base
- Recovery: Apply diluted fish emulsion after heavy pruning
- Caution: Never cut below lowest leaf nodes
Season-End Pruning
- Timing: 6 weeks before first expected frost
- Method: Harvest entire plant by cutting at soil level
- Preservation: Use leaves immediately or freeze for winter
- Regrowth: Roots may produce new shoots if winters are mild
5 Common Myths
Watering basil plants every day produces healthier plants and decreases the risk of them drying out.
Watering daily would produce root rot in the plant and creates conditions of constantly saturated soil. Basil requires deep watering only when the top 1 inch of soil is dry. This is usually every two to three days depending upon the climate. The dry period allows the roots to access the necessary oxygen and prevent the development of fungal diseases. Proper watering applications allow the plant to remain viable, but they will produce yellow leaves and be stunted in growth based upon earlier signs of being over watered, regardless of the moist soil.
Larger starter plants from nurseries guarantee faster harvests and higher yields.
Smaller, bushier starter plants establish stronger root systems and adapt better to transplant stress. Oversized nursery plants often become root-bound, suffering transplant shock that delays growth by weeks. Compact plants with 4-6 leaves focus energy on root development first, ultimately producing 30% more foliage over the season compared to larger specimens that divert resources to recovery.
Basil does not grow well indoors because there is not enough light and air movement.
Basil grows well indoors under LED grow lights that provide 12-16 hours of light a day. Newer full-spectrum LEDs provide the best PAR levels for photosynthesis, and can be placed 2-4 inches above your plants. Indoor plants can produce as good of a harvest as plants grown outdoors, provided they have some airflow from a fan, a temperature of around 70 degrees F and a hydroponic or self-watering system.
If basil flowers, it increases the flavor and oil concentration of leaves.
Once flowering begins, hormonal changes will redirect energy away from leaf production and into reproduction. This process will make leaves bitter and woody. The change to reproduction alters the plant's metabolism and diminishes favorable compounds like linalool and eugenol. Pinching flower buds will promote vegetative growth and yield tender flavorful leaves well-suited for food use all growing season.
Harvesting over one-third of a basil plant at once will permanently inhibit its growth.
Harvesting properly results in vigorous regrowth. When stem is cut inch above leaf nodes, with sterile cutting tools, basil responds to the cutting process that stimulates dormant buds, or axillary buds, that are located on the stem just below the cut stem. The controlled stem removal process causes reposition of auxin which allows for the bushier growth. Plants have fully recovered in 7-10 days after harvest when it is done prior to noon and enough water and nutrients should be supplied.
Conclusion
Basil culture is based on three fundamentals. Six hours of sunlight each day. Weekly pruning of basil above leaf nodes. Water ONLY when the topsoil dries. I have witnessed these three fundamentals rebuild a straggling plant into a bountiful producer in every climate.
Basil adapts so well to your growing conditions that it will thrive in a sunny backyard as much as on a brightly lit windowsill. My apartment plants actually grow well using unsophisticated grow lights. Adapt care diligently to your light situation and seasonal cycle. Observe more than a guide can teach you.
Appreciate the little victories, such as new growth after pruning. Each harvest offers a sense of the plant's rhythm. I'm still learning; in fact, every harvest season, you will gain a deeper understanding of your plants and their behaviors and reactions to climate change. Knowledge of your plants deepens with each growing season, as you mature.
There's nothing quite like the joy of snipping fresh basil to use for dinner. That satisfaction is what fuels the pathway of a gardener. Your work produces aromatic basil leaves for your delicious home-cooked meals. You have to start somewhere, and there is no better teacher than experience and time to create your green thumb!
External Sources
Frequently Asked Questions
What's the best way to grow basil successfully?
Basil thrives with 6+ hours of direct sunlight, consistent watering when topsoil dries, and well-draining soil. Regular pruning above leaf nodes encourages bushiness while preventing flowering maintains leaf flavor. Use organic fertilizers like compost tea every 2-3 weeks.
How should I cut basil to encourage continuous growth?
Always cut stems ½ inch above leaf nodes using sterilized scissors. This triggers new growth from dormant buds below the cut. Never remove more than ⅓ of the plant at once, and harvest in morning when essential oils peak.
Does basil prefer full sun or shade conditions?
Basil requires full sun (6+ direct hours) but benefits from afternoon shade in hot climates above 90°F. Inadequate light causes leggy growth, while indoor plants need 12+ hours under LED grow lights placed 2-4 inches above leaves.
How can I keep potted basil alive longer?
Key strategies include:
- Check soil moisture daily - water when top inch is dry
- Ensure containers have drainage holes to prevent root rot
- Rotate pots weekly for even sun exposure
- Prune weekly and remove flower buds immediately
What are common mistakes when harvesting basil?
Major errors include harvesting more than ⅓ of the plant, cutting below leaf nodes, using dirty tools that spread disease, and harvesting during flowering. Always harvest before noon with sharp, sterilized scissors to minimize plant stress and maximize regrowth.
Which plants should not be grown near basil?
Avoid planting near:
- Rue - inhibits growth through chemical interference
- Cucumbers - competes for nutrients and water
- Sage - creates unfavorable microclimate conditions
- Fennel - releases root chemicals that stunt development
Is synthetic fertilizer like Miracle-Gro suitable for basil?
While synthetic fertilizers work, organic options are preferred. Synthetic formulas can cause salt buildup in containers and rapid growth that dilutes flavor. Natural alternatives like fish emulsion or worm castings provide steady nutrients without chemical residues affecting taste.
What natural fertilizers work best for basil?
Optimal organic options include:
- Compost tea - steep aged compost for 48 hours
- Fish emulsion - dilute 1 tbsp per gallon biweekly
- Worm castings - mix ¼ cup monthly into topsoil
- Banana peel fertilizer - bury chopped peels near roots
Why does basil often die quickly after purchase?
Grocery store basil suffers from:
- Overcrowded roots needing immediate repotting
- Insufficient light in retail environments
- Improper watering causing root rot
- Transplant shock from sudden environmental changes
- Lack of pruning leading to premature flowering
How can I revive a dying basil plant?
First identify the issue: yellow leaves indicate overwatering (let soil dry), while wilted dry plants need hydration. Prune damaged stems above nodes, apply diluted fish emulsion, and ensure proper sunlight. For root-bound plants, repot into larger container with fresh soil.