Holy basil grow and care – shrub type of basil of genus Ocimum also known as Tulsi or Tulasi, Holy basil perennial evergreen or cold annual plant used as edible plant for the leaves also used as ornamental plant and it’s fragrant, can grow in tropic, mediterranean, subtropical or temperate climate, in temperate climate and growing in hardiness zone: 10b+ (perennial), 5-10 (as annual).
Holy basil leaves
Leaves ovate with serrate edge, the color of the leaves green but sometime the leaves become purple, Holy basil aromatic and with strong taste.
Flower color purple, small flowers grow on inflorescence attract pollinators.
How to care: Add more water in hot summer days, fertilizer 2-4 year, put organic matter
What is the best way to start growing? Plant / Seedling / Seed / Vegetative Reproduction (stems)
Is it necessary use vegetative reproduction in Holy basil? Not necessary but possible vegetative reproduction, unless you want specific subspecies
Difficulties or problems when growing: Aggressive, in full sun there is too much flower what that make trim the leave a lot of work
Recommended planting season? Spring in hardiness zone 5-10 as annual, as perennial spring to summer in hardiness zone 10b, spring to autumn in hardiness zone 11 and hardiness zone 12+ all year.
Pests and diseases: Aphids
Pruning season: Autumn / beginning of the winter
How to prune: recommend to thinning the inner branches
What is the size of a Holy basil? 0.3-2m. 1-6.5 feet
Growth speed in optimal condition: Fast growing
Water requirement: Small amount of water / Average amount of water
Light conditions in optimal condition for growing: Full Sun it’s optimal for the plants and also to attract pollinator / Half Shade and Almost Full Shade recommend for bigger leaves and more leaves than flowers
Is it possible to grow indoor as houseplant? No
Growing is also possible in a pot / planter /flowerpot / containers: Yes, when grow in container, size 5-30 liter (1.5-8 gallon) amount of water that needed, it’s to keep the soil moist and the water go out of the pot, better not to use bottom of pot, when it’s grow as perianal every two years to switch soil in the pot or just part of it, soil need to be well ventilated with good drainage, rich with organic matter, can us in potting mix or peat soil with perlite or vermiculite.
Bloom season: All year depend on the climate
General information about the flower Small purple flower that grow on inflorescence
Thinning the bloom: For use the leaves should thinning the blossom but for pollinators it’s not recommend
Pollination is done by: Bees and much more pollinators
How to grow Holy basil from seeds
Sowing requirement: Sow this plant it’s easy but it’s more recommend to use in vegetative reproduction
Saving seeds until sowing: Room temperature, dry area
Sowing season: Spring, but as perennial spring to autumn and in hardiness zone 12+ all year
Planting spacing: 1*3 cm, 0.5-1.2 inch, sowing direct 0.5*1 m (20*40 inches)
Depth of Sowing: 0.2-0.5 cm
Conditions for seeds germinate: Moist soil, almost full sun, warm place, 20-30C (68-86F) but better ~25C (77F)
Watering requires for Seeds: Average amount of water
Germination time: 2-3 weeks, in Krishna tulasi 1-2 weeks