Start seed indoors approximately four to six weeks before the expected last frost. Sow 3 mm (1/8 in) deep in light mix held around 18 to 24°C (65 to 75°F), then keep the surface moist without saturation. Emergence often occurs in 5 to 10 days. Provide abundant light immediately to avoid weak seedlings. Transplant only after all frost risk when soil is warm and nights remain mild. Acclimate plants for approximately one week by gradually increasing exposure to sun and wind. Italian basil is frost tender and gains nothing from being placed too early in cold soil. If seedlings become crowded, pot them up gently before roots tangle rather than delaying outdoors under unsuitable temperatures.
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Tender annual culinary herb
Lamiaceae
Organic culinary herb seeds
Organic Italian basil (Ocimum basilicum)
Ocimum basilicum
Organic Italian basil is sweet basil, Ocimum basilicum, grown as a frost-tender annual in Quebec. Tender aromatic green leaves suit pesto, tomato sauces, pasta, salads, and fresh garnishes. The commercial name does not confirm one exact cultivar, so this profile does not arbitrarily identify it as Genovese or Italian Large Leaf. Start seed four to six weeks before planting, or sow outdoors in warm soil after frost. Intense light, fertile well-drained soil, even moisture, and pinching immediately above a leaf pair support branching growth. Harvest regularly, remove buds to extend leaf production, and protect containers from cold nights. Several white flower spikes may be retained for bees or seed without allowing the whole planting to stop producing tender leaves.
Quantity
Approximately 400 seeds
Exposure
Full sun; light shade during extreme heat
Difficulty level
Easy to moderate
Discover the plant
Family
Lamiaceae
Genus
Ocimum
Species
basilicum
Type
Tender annual culinary herb
Cycle
Frost-tender annual
Organic Italian basil (Ocimum basilicum) is a frost-tender annual herb valued for green, tender, highly aromatic leaves. The commercial title does not name a cultivar, so this profile describes an Italian-type sweet basil without incorrectly identifying it as Genovese or Italian Large Leaf. Its classic sweet, peppery, lightly anise-like aroma suits pesto, tomato sauces, pasta, salads, and garnishes added near the end of cooking. Repeated pinching supports a branching plant and several harvests. This organic seed is suitable for food gardens, edible borders, and warm containers positioned near the kitchen. White flower spikes may be retained selectively for pollinators or seed.
Start seed indoors four to six weeks before transplanting, or sow outdoors only after frost risk when soil is thoroughly warm. Barely cover seed, keep the mix evenly moist without saturation, and provide intense light immediately after emergence. Acclimate seedlings gradually, then place them in sun in fertile, well-drained soil. Space plants approximately 20 to 30 cm apart for airflow. Water at soil level whenever the surface begins drying. Pinch each stem immediately above a pair of leaves to encourage new branches and delay flowering. Avoid rushing plants into cold soil because low temperatures interrupt growth and may damage tender foliage.
Harvest tender tips regularly with clean scissors, ideally in the morning after dew dries. Remove no more than one-third of the foliage at once, then cool leaves promptly. Remove flower buds when leaf production is the priority, or allow several white spikes to open for bees and seed harvest. Add fresh leaves near the end of cooking to preserve aroma. Freeze surplus in small portions; drying is possible but changes the flavour. Move containers inside before cold nights or finish harvesting before the first frost. Wash leaves immediately before use and discard tissue that is slimy, mouldy, or heavily damaged.
Planting guide
From planting to establishment.
Planting depth
Barely covered, approximately 3 mm (1/8 in)
Spacing / density
Space approximately 20 to 30 cm (8 to 12 in) apart
Establishment temperature
Approximately 18 to 24°C (65 to 75°F)
Establishment time
Approximately 5 to 10 days
Best planting time
March to June
Propagation
Seed; stem cuttings possible from a healthy plant
Growing method
Sow indoors approximately four to six weeks before last frost in a clean light mix. Place seed 3 mm (1/8 in) deep, keep the mix warm at approximately 18 to 24°C (65 to 75°F), and maintain surface moisture without saturation. After emergence, provide intense light and good airflow. Pot up young seedlings carefully before roots become tangled. Once frost risk has passed and nights warm, acclimate plants for one week, then place them in full sun 25 or 30 cm (10 to 12 in) apart. Incorporate mature compost, water at soil level, and mulch lightly after soil warms. Pinch above a pair of leaves when each stem carries several nodes. Harvest regularly without removing more than one-third of the foliage. Remove flowers to extend leaf production or retain several spikes for insects and seed. Before cool nights, move containers inside or finish harvest. Clean tools, remove diseased plants, and dry seed only when fully mature. Label every batch with its date and botanical name. Record emergence and first-cut dates. Inspect leaf undersides weekly, isolate any seriously affected plant, and never save seed from a plant showing persistent disease. Keep harvested leaves shaded and cool, and clean scissors between plants. If indoor seedlings stretch, improve light rather than applying fertilizer.
Soil and care
The right conditions.
Exposure
Full sun; light shade during extreme heat
Soil pH
Approximately 6.0 to 7.0
Minimum temperature
10°C (50°F)
Watering
Maintain even moisture without saturation; water at soil level when the surface begins drying and more often during hot periods.
Soil type
Fertile, organic-rich, loose, well-drained soil
Fertilization
Incorporate mature compost before planting and apply only light feeding during the season to avoid soft growth.
Seasonal care
In late winter, prepare a warm bright area to start seed approximately four to six weeks before last frost. Keep the mix moist, watch for damping-off, and increase light immediately after emergence. In spring, pot up seedlings before they crowd, then acclimate them gradually as nights warm. Wait until frost risk has genuinely passed before planting. In early summer, add mature compost, water at soil level, and begin pinching above pairs of leaves. During hot periods, check container moisture daily, harvest regularly, and inspect for aphids. Remove most buds when leaves are the priority and retain several spikes for insects. In late summer, select healthy stems for seed and reduce cutting on them. Move containers inside before cool nights or finish harvest. Dry leaves and seed separately, label them, and verify dryness before storage. After frost, remove plants, clean pots and tools, then record dates, problems, and aromatic quality from each harvest. Inspect stored material after several days and discard any batch showing condensation, mould, or an unusual odour. In containers, empty saucers after rain and rotate pots for balanced light. Isolate any plant showing serious disease and do not save its seed. Compare branch number and leaf quality between pinched and flowering plants. Keep these observations with the garden plan to adjust sowing date, spacing, and the number of stems reserved for pollinators. Before reusing potting areas, remove old roots and verify that drainage remains open. Do not bring visibly infested plants indoors.
Container growing
A controlled environment.
Recommended pot size
20 to 30 cm (8 to 12 in)
Choose a stable container at least 20 to 30 cm (8 to 12 in) wide and deep with several holes. Fill it with fertile, well-drained potting mix amended with modest mature compost. Place one vigorous plant in a small pot or space several plants 25 cm (10 in) apart in a large planter. Position the container in sun and rotate it weekly for balanced light. Water slowly when the surface begins drying, then empty the saucer. Pinch tips above a pair of leaves and harvest small amounts instead of stripping the plant. Feed lightly only when foliage pales. Monitor aphids and mould beneath leaves. As nights cool, move the pot into a bright warm location without promising easy winter production. Supplemental lighting may improve indoor conditions. Clean scissors between plants, avoid keeping foliage constantly wet, and reduce irrigation as growth slows. Replace the plant when root problems persist, and never reuse visibly diseased mix for another basil crop. Label the pot with species and sowing date, then inspect drainage holes after heavy rain. Harvest in the morning, place leaves in shade immediately, and keep the container away from scorching surfaces that overheat roots. When moving indoors, quarantine it briefly and inspect for insects before placing it near other herbs.
Bloom and dimensions
The complete profile.
Flower color
White
Foliage color
Medium to dark green
Foliage type
Deciduous
Growth rate
Fast in warm weather
Bloom period
Spikes of small flowers in summer when stems are not pinched
Fruiting
Not applicable
Harvest
Leaves and tender tips throughout warm weather, before frost
Garden associations
What to plant with it.
Good companions
Ground Cherry, Pepper, Tomato
Avoid planting with
Rue, Fennel
Pesto, sauces, pasta, salads, pizza, dressings, and fresh garnishes
From the garden to inspiration.
Italian basil pesto — Gently rinse 50 g of healthy leaves, then dry them completely. Place them in a small food processor with 30 g toasted pine nuts or sunflower seeds, one small garlic clove, and 40 g grated Parmesan. Pulse while gradually adding 80 mL olive oil until the preferred texture is reached. Season lightly, taste, and add several drops of lemon juice only if that flavour is desired. Use clean utensils and do not leave pesto at room temperature for several hours. Refrigerate it within two hours and use promptly, or freeze it in small labelled portions. To retain bright colour, work without heat and avoid processing longer than necessary. Anyone with nut or dairy allergies should choose suitable substitutions and verify every ingredient before serving. Discard any batch showing mould, bubbling, leakage, or an unusual odour. Serve with pasta, grilled vegetables, or fresh bread, then return the container to refrigeration immediately after portioning.
Frequently asked questions
Everything toknow.
Wait until a stem carries several leaf pairs, then cut its tip just above one healthy pair with clean scissors. Two new shoots may develop below the cut and make the plant more branched. Repeat on different stems instead of removing the whole top on one day. For cooking, harvest tender tips in the morning after dew dries and remove no more than one-third of the foliage. Cool the harvest promptly. Pinch buds when leaves are the priority, but allow several spikes to open when pollinators or seed are desired. Stop heavy cutting before cool weather. Clean scissors after diseased tissue and never harvest leaves showing mould or severe insect damage.
Yes. Use a stable pot at least 20 to 30 cm (8 to 12 in) wide and deep with several drainage holes. Fill it with fertile, well-drained potting mix amended with modest mature compost. Place one plant in a small pot or space plants 25 cm (10 in) apart in a large planter. Position the container in full sun, rotate it regularly, and water as the surface begins drying. Always empty the saucer. Pinch frequently to maintain branching growth. As nights cool, move the pot into a very bright warm location while reducing water if growth slows. Supplemental light may be necessary to extend indoor production. Inspect leaf undersides before bringing the container inside.
Yes. Small flower spikes provide nectar to bees and other visitors during warm weather. To retain this value, allow several stems to bloom fully and avoid nonselective insecticides. Place flowering plants in a well-lit area away from traffic so stems are not broken and insects are not disturbed. The choice involves a trade-off: a stem devoted to flowers generally produces fewer new tender leaves. Divide roles among several stems or plants. Observe visitors without capturing them and remove only clearly diseased flowers. Bloom does not guarantee the presence of one particular insect species. Keep irrigation at soil level so flowers remain dry and accessible during the day.
Use fresh leaves promptly or freeze them in clean small portions. For drying, spread leaves in a thin layer in shade in a dry, well-ventilated location; avoid thick bundles that retain moisture. Store them only when crisp and completely dry. For seed, allow several spikes to mature until brown, then cut them over a paper bag before scattering. Finish drying, rub spikes gently, and remove debris. Label with species and date. Check the container after several days; any condensation requires additional drying. Discard every batch showing mould, unusual odour, or persistent moisture. Keep seed away from heat and bright light, and retain only material collected from healthy, correctly identified plants.
Its strengths, naturally.
Attracts or supports pollinating insects
Pollinators
Plants that attract butterflies
Butterflies
