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Siam Tulip

Curcuma alismatifolia

Also known as Summer Tulip, Patumma, Curcuma Tulip, Thai Tulip

At a glance
Family
Zingiberaceae (ginger family)
Type
Herbaceous rhizomatous perennial
Parts used
Ornamental only, the bracts and flower spikes
Size
12 to 24 inches tall
Bloom
Late spring through summer, pink, purple, or white bracts
Habitat
Monsoon forests and open grasslands of Southeast Asia
Acquisition
Grow or buy
This plant in HerbSense

Key benefits

Prized for cut flowers
Attracts pollinators
Adds tropical color

Traditional uses

The Siam tulip is not an old apothecary herb but a beloved garden and festival flower of Thailand, Cambodia, Laos, and Myanmar, where entire hillsides bloom pink and lavender each rainy season and villagers gather to walk through the fields. In Chaiyaphum province, the wild flowering grounds are so cherished that they are protected as a national park attraction, drawing visitors every June and July just to see the color spread across the meadows. Unlike its famous relative turmeric, Curcuma alismatifolia was grown for beauty rather than for the kitchen or the medicine chest, valued in floristry, temple decoration, and home gardens for its long-lasting, tulip-like blooms. It has become a well-loved cut flower worldwide, shipped from Thai farms to markets across Asia, Europe, and North America.

How to grow & use it

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The full apothecary for Siam Tulip

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Pairs well with
  • Ginger lily
  • Heliconia
  • Canna lily
Substitutes
  • Curcuma zedoaria (as a garden relative with similar habit)
Choose it when

For a patch of tropical color that asks for little and gives back all summer long.

Did you know?

What looks like a single tulip-shaped bloom is actually a stack of colorful bracts, modified leaves, and the true flowers are small and pale, tucked shyly between them, opening one at a time over several weeks.

Safety

Siam tulip has no history of food or medicinal use and should be treated as an ornamental plant only; keep it away from children and pets who might chew on it.