White colicroot (Aletris farinosa)

White colicroot

Also known as: True unicorn

White colicroot (Aletris farinosa) is a wildflower that grows across central and eastern North America, characterized by tall stalks of white flower spikes rising high above the rest of the plant. Found in open woods, meadows, and along roadsides, it attracts pollinators and is sometimes used in gardening specifically for that reason.

Scientific classification

Species

White colicroot (Aletris farinosa)

Yams, colicroots, and allies

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Perennial

Lifespan

Herb

Plant Type

Spring, Summer

Bloom Time

2.5 cm

Flower Size

White, Pink

Flower Color

Green, Yellow

Stem Color

Semi-evergreen

Leaf type

10 - 35 ℃

Ideal Temperature

Spring, Summer

Growth Season

Images of White colicroot

Quickly Identify White colicroot

Tall spike-like raceme (6-18 inches, 15-46 cm) with bell-shaped creamy white flowers.

Distinctive warty mealy white flowers in a spike-like cluster, not in a spiral pattern (0.2 inches, 0.5 cm diameter).

Diminutive ovoid fruit capsule (0.2-0.4 inches, 5-10 mm) with dry, papery texture.

Pale yellow-green leaves (2-7 inches, 5-18 cm) in a basal rosette, narrow with subtle vein pattern.

Pubescent pale green stem (1-2 feet, 30-60 cm) with fine hairs, unbranched and straight.

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Care Guide for White colicroot

Every week

Water

Full sun

Sunlight

10 - 35 ℃

Ideal Temperature

Water: White colicroot thrives in moderate moisture, requiring consistent weekly watering without excessive rainfall. As a herbaceous perennial, it necessitates well-drained soil to avoid overwatering, which can negatively affect its flowering potential. Proper moisture balance is crucial for optimal growth and bloom.

Fertilize: For optimal growth of white colicroot, use a balanced nutrition fertilizer, switching to high-phosphorus during blooming. Fertilize once each spring with a quarter-strength solution, avoiding root contact to prevent burns. Adjust frequency based on growth patterns, ensuring even nutrient distribution for best results.

Pruning: White colicroot is a perennial herb with slender, grass-like leaves and clusters of tiny white flowers. Prune in early to late spring to remove damaged growth and promote healthy flowering. Use clean, sharp tools for pruning and consult gardening guides for best practices.

Propagation: White colicroot is a perennial herb with tall, creamy white flowers. It prefers well-drained soil and full to partial sunlight. Seeds should be sown shallowly for germination, requiring consistent moisture. Once established, white colicroot is self-sustaining, but dividing mature plants can enhance growth.

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