Lettuce leaf basil is a large-leaf variety of Ocimum basilicum (sweet basil).
Overview Ocimum basilicum ‘Crispum’- Lettuce Leaf Basil
• This herb has large, crinkled leaves.
• They grow on the short, wide plant and are sweet, but not as strong as other sweet basils.
• This makes them particularly suitable for tossing into salads or wrapping fish, chicken or a rice stuffing for grilling.
Plant Data and Classification
• Min germination temp: 10°C (50°F)
• Max germination temp: 15°C (59°F)
• Germination time: 16 days
• Time to transplanting: +30 days
• Time to harvesting: +60 days
• Mature height: 45cm (18in)
• Mature spread: 30cm (12in)
• Ideal pH range: 6.0 – 7.5
• Sow depth: ?cm (?in)
• Sow spacing: 1cm (½in)
• Growing plant spacing: 25cm (9in)
• Growing row spacing: 25cm (9in)
Classification of Ocimum basilicum ‘Crispum’- Lettuce Leaf Basil
The plant is scientifically classified as:
• Kingdom: Plantae
• (unranked): Angiosperms
• (unranked): Eudicots
• (unranked): Asterids
• Order: Lamiales
• Family: Lamiaceae
• Genus: Ocimum
• Species: O. basilicum ‘Crispum’
Growing and Caring conditions for Ocimum basilicum ‘Crispum’- Lettuce Leaf Basil
• Growing Basil is relatively easy if there are suitable light and temperature levels provided to the plant.
• Ensure that adequate drainage is allowed from the base of the pot, if grown in pots.
• Line with coarse gravel if necessary.
• If growing outside, then ensure the soil is well dug over.
• Weed free the soil well before sowing.
• Before sowing ensure that the compost or soil is moist.
• Water generously the day before sowing.
• It is vital that Basil is not exposed to the last spring frosts.
• If sowing outside sow in late March.
• Sow at any time if the plant is always to be kept indoors.
• If sowing inside and planting outside late then sow in late February.
• Sow the seed thinly.
• Cover the seeds with 1/2 cm of compost and firm gently.
• Basil seeds should germinate in about a week.
• Once the seedlings have developed 2 pairs of true leaves then you can thin out.
• Basil should be grown in a position that receives a around 6-8 hours of sunlight a day.
• Position the Basil in a sheltered spot that avoids cold winds.
• Basil likes a fertile soil.
• The soil should well dug to allow good soil air circulation.
• Well rotted organic compost or manure into the soil a month or so before sowing will help in growth.
• General purpose compost is a suitable soil solution.
• Water every week.
• Basil can help to discourage the fruit fly.
• Basil is often a target of slugs.