Odontonema cuspidatum (Fire Spike) - Image 8

Top Tropicals Plant Encyclopedia

Botanical names: Odontonema cuspidatum, Odontonema strictum

Common name: Fire Spike

Family: Acanthaceae

Origin: Central America

USDA Plant Hardiness MapLarge shrub 5-10 ft tallSmall plant 2-5 ftSemi-shadeShadeFull sunRegular waterRed, crimson, vinous flowersPlant attracts butterflies, hummingbirdsSubtropical plant. Mature plant cold hardy at least to 30s F for a short time
Fasciation on Odontonema cuspidatum
(flattened state of the stem)


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Odontonema cuspidatum - Firespike, Red

Firespike. Showy bright red flowers, butterfly attractor. Will take sun or shade.
Plants are beautiful in bloom.

Recommended Fertilizer: SUNSHINE Megaflor - Bloom Nutrition Booster
Grown in
10"/3 gal pot