Siam Queen basil growing herbaceous type of basil of genus Ocimum also known as Thai basil, Siam Queen basil annual plant used as edible plant for the leaves also used as ornamental plant and it’s fragrant, can grow in mediterranean, subtropical, temperate or tropic climate and growing in hardiness zone 5+.
Siam Queen basil leaves
Leaves color light to dark green leaves with purple stems, leaf shape is ovate.
Flower color purple, small flowers grow on inflorescence.
Siam Queen basil for sale – Seeds or Plants to Buy
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How to grow Siam Queen basil growing and care:
Well drained soil, Add more water in hot summer days, thinning the flower
How to care:
Add more water in hot summer days, fertilizer 2-4 year, put organic matter, prune once a year and consider to prune the bloom stems
What is the best way to start growing?
Plant / Seedling / Seed / Vegetative Reproduction
Is it necessary use vegetative reproduction in Siam Queen basil?
Not necessary but possible vegetative reproduction
Difficulties or problems when growing:
Recommended planting season?
Pests and diseases:
Aphids, prodenia, slugs, mealy bug
All the season
How to prune:
Prune the inner branches
Size of the plant:
20-50cm, 8-20 inches
Growth speed in optimal condition:
Average amount of water / Big amount of water
Light conditions in optimal condition for growing:
Full Sun / Half Shade
Is it possible to grow indoor as houseplant?
Growing is also possible in a pot / planter /flowerpot / containers:
Yes, when grow in container, size 5-12 liter (1.5-3 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 don’t let, 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.
General information about the flower
Small purple flower that grow on inflorescence
Thinning the bloom:
Should thinning the inflorescence when they start to bloom, all the strength of the plant go to the blossom
Pollination is done by:
Leaves harvesting season
After the plant in full size you can start to trim all the season
How to harvest the leaves?
Trim branches but leave few buds on the branch
Information about leaves:
Green oval leaves
Uses of Siam Queen basil leaves:
Vegetative Reproduction Method:
Stems / cutting
Preferred time for vegetative reproduction:
Spring. Early summer
Time to grow roots in vegetative reproduction:
Treatment for vegetative reproduction:
Put in glass of water and change the water every few days
How to grow Siam Queen basil from seeds
Easy to sow no special demand
Saving seeds until sowing:
Room temperature, dry
Spring after the last frost
25-30cm (10-12 inches)
Depth of Sowing:
1cm (0.5 inch)
Conditions for seeds germinate:
Moist, full sun
Watering requires for Seeds:
Small amount of water / Average amount of water
Condition of seedling:
Full sun, moist soil
Do the seeds require burying?
Ocimum basilicum ‘Siam Queen basil’