Basil 'Siam Queen'
1997 AAS Vegetable Award Winner

Siam Queen' is an improved Thai basil or tropical basil. Prized for both culinary use and ornamental plant quality. Highly aromatic with licorice basil aroma. Late flowering, mature plant reaches about 2 feet in height and width.  In many Thai dishes, Thai basil is added last, just prior to serving for its fragrance and flavor.

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AAS Winner Primary Details
Award: AAS Vegetable Award Winner
Award Type: National Winner
Class: Basil
Variety Name: 'Siam Queen'
Genus: Ocimum
Species: basilicum L.
Year: 1997
Common Name: Thai Basil
Type: Vegetables
Breeder: East West/Petoseed/Seminis Vegetable Seeds
Close Market Comparison: standard Thai basil, Thai name 'Horapha.' Vietnamese name 'Hung Que'
Plant Needs
Duration Type: Annual
Light Needs: Full sun
Water Needs: Normal
Season Type: Warm Season
Staking Required: NO
Plant Characteristics
Foliage Color: Green
Plant Habit: Bushy, Upright
Plant Height: Tall: Over 24"
Garden Spacing: 2 feet
Days To Harvest (Sowing Seed): 75 to 100 days depending upon growing conditions
Days To Harvest (Transplant): 45-50 days to first harvest, can be harvest for 3-4 months
Fruit Color (Harvest): green leaves
Fruit Shape: large leaves
Plant Spread: 24 inches
Home Gardener Use
Container: YES
Herb: YES

How to Grow

Grows quickly when given temperatures above 68 degrees. The seeds are quick to germinate in about 3-7 days so even inexperienced gardeners may consider growing 'Siam Queen' from seed. Remember it is of tropical origin so provide warm soil and air temperatures for rapid vigorous growth.

1935 Gold Medal winner

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Grower and Retailers: AAS Winner tags and labels are available from these suppliers:

John Henry


United Label and Sato 

Customizable bench cards are available from:

Garden Center Marketing