SIAM Seed
We breed vegetable seeds and seedlings that suit the climate and soil in each region — from Southeast Asia across our trading network.
SIAM Seed
F1 vegetable seed bred for humid tropics, highland cool crops, and export packing.
About us
SIAM Seed ambitiously breeds varieties suited to climate and soil across the region. Our main lines include cabbage, broccoli, cauliflower, Chinese cabbage, onion, melon, watermelon, pumpkin, and eggplant.
We specialise in F1 hybrids demanded by commercial growers across ASEAN and beyond.
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SIAM Seed serves growers and partners with reliable genetics and field expertise.
We handle more than 850 varieties including our own F1 lines, plus specialty seed from our ASEAN trial network. Ask us anything about seed.
Browse catalogueFrom distributors to commercial farms — welcome. Our agronomists advise on sowing, crop protection, and trouble-shooting, and host open days at our Chiang Mai station.
Research stationOur regional team visits growers and dealers across ASEAN, sharing market trends and co-selecting lines for local soils. Member of the Thai Seed Association network.
Get in touchFacts & figures
Product list
Eggplant, pepper, melon, squash, cucumber, tomato, watermelon, pak-choy, and choy sum.
View more in the full product list, or email sales.
Sustainability
As a seed company, we support a fairer food system — poverty, hunger, climate action, and partnerships.
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Our story
Founded in Bangkok in 1962 — now breeding for growers across ASEAN and beyond.
View moreResearch station
Our Chiang Mai farm develops resistant varieties for soils worldwide.
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Feel free to contact us. Our team is ready to answer your enquiry.
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