False ironwort (Hyptis capitata) is an annual shrub native to Central and North America that grows so freely that it is considered a weed. It is an introduced species in Australia and parts of Southeast Asia, growing up to 2 m tall.
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Annual, Perennial
Lifespan
1.5 m
Plant Height
3 mm to 4 mm
Flower Size
Yellow, Green, Brown
Flower Color
Evergreen
Leaf type
20 - 38 ℃
Ideal Temperature
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Distribution
Care Guide
FAQs
Distribution of False ironwort
Distribution Map
False ironwort is native to the tropical Americas, thriving predominantly in Central and South America. Over time, it has been introduced to various parts of the tropical and subtropical regions of Asia, expanding its presence in a significant swath across that continent. The plant's adaptability has allowed it to establish itself in new territories, although it is not typically cultivated.
Native
Cultivated
Invasive
Introduced
No species reported
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Habitat
Settled areas, Open waste places, Fallow rice paddies
Hemisphere Trend Curve
Northern
Sorthern
Care Guide for False ironwort
Every week
Water
Full sun
Sunlight
20 - 38 ℃
Ideal Temperature
Water:
False ironwort thrives in high humidity and prefers consistent moisture, tolerating brief dry spells. Water weekly for optimal growth. While usually grown outdoors, it adapts to temperature fluctuations and benefits from rainwater, efficiently capturing natural precipitation.
Fertilize:
False ironwort requires balanced nutrition fertilizer monthly during the growing season and a high-nitrogen fertilizer at the season's start for robust growth. Avoid over-fertilization to prevent root burn, reduce frequency during dormancy, and use gloves while applying according to package instructions.
Pruning:
False ironwort features aromatic foliage and clustered flowers. Prune in early to late spring, removing dead stems to encourage growth and shape. Regular pruning promotes bushiness and enhances blooms. Use clean, sharp tools to minimize damage and disease risk, supporting false ironwort's vigorous habit and aesthetic appeal.
Propagation:
False ironwort, native to tropical regions, propagates well through sowing fresh seeds in a well-aerated, moist soil mix. Maintain warmth and consistent moisture without waterlogging. Ensure adequate spacing for optimal growth, leading to healthy specimens with attentive care.
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