Yellow alder - Turnera ulmifolia (Care, Characteristics, Flower, Images)

Yellow alder

Also known as: West Indian holly

Yellow alder (Turnera ulmifolia) is a perennial wildflower often found growing along roadsides. It grows erect to 91 cm tall with dark green foliage and bright yellow flowers. Blooms repeatedly and is considered a weed by most. Grows in cultivated and disturbed sites.

Scientific classification

Species

Yellow alder (Turnera ulmifolia)

Nances, spurges, willows and allies

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Perennial

Lifespan

Shrub

Plant Type

All year round

Bloom Time

30 cm to 1.2 m

Plant Height

60 cm to 90 cm

Spread

Green

Leaf Color

4 cm to 5 cm

Flower Size

15 - 38 ℃

Ideal Temperature

Images of Yellow alder

Distribution of Yellow alder

Distribution Map

Yellow alder is a plant native to tropical regions of the Americas. With a propensity for warm climates, the species has extended beyond its original range and is now found in parts of Asia and the Pacific islands, where its cultivation is noted. In these introduced regions, yellow alder is sometimes thought to be competitive with native species and may have an impact on local ecosystems, particularly in ecologically sensitive areas. However, it continues to be cultivated due to its adaptable nature and ornamental appeal.

Native

Cultivated

Invasive

Introduced

No species reported

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Habitat

Dry sandy or rocky places.

Hemisphere Trend Curve

Northern

Sorthern

Culture

Symbolism

Awakening in the mind

Interesting Facts

Turnera ulmifolia has been widely naturalized outside its native range; in some areas, it is considered a weed. The leaves of the plant can be made into a tea which is used as a traditional medicine in the West Indies and South America.

Name Story

Ramgoat dashalong: The fanciful common name of the yellow alder arises from anecdotes about the plant’s aphrodisiac qualities and its effects on male goats. The name undoubtedly connotes a certain potent, virile energy.

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Toxicity

Yellow alder exhibits moderate toxicity to humans, cats, and dogs. Ingestion of any part causes symptoms like nausea, vomiting, dizziness in humans, and gastrointestinal distress in pets. Immediate veterinary care is essential for pets exhibiting signs of poisoning to ensure the best outcome.

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Care Guide for Yellow alder

Every 1-2 weeks

Water

Full sun

Sunlight

15 - 38 ℃

Ideal Temperature

Garden Soil

Soil Type

Water: Yellow alder thrives in humid environments with consistent moisture, needing water every 1-2 weeks. It prefers well-drained soil and benefits from rainwater during its growing season, balancing its drought tolerance while supporting optimal growth.

Fertilize: For optimal growth, yellow alder benefits from quarterly fertilization using a balanced 10-10-10 fertilizer, reducing in winter. This enhances vigor and blooms, particularly for its yellow flowers. Avoid over-fertilization by diluting if needed, and always water after application for better nutrient absorption.

Pruning: Yellow alder features vibrant yellow flowers and robust foliage. Early spring pruning promotes healthy growth and more blooms. Trim dead branches, ensure clean cuts, and sterilize tools to prevent disease. Rejuvenation pruning every few years enhances vigor and garden aesthetics.

Propagation: Yellow alder, a tropical flowering perennial, thrives in well-drained soil and full sun to partial shade. Propagation is best achieved via healthy stem cuttings taken in the morning. While a rooting hormone can aid in root development, yellow alder typically roots easily. Maintain humidity and mist cuttings for optimal establishment.

Repotting: Repot 'yellow alder' every 2-3 years in spring using a slightly larger pot. After repotting, provide bright, indirect light and maintain consistent moisture without overwatering. Ample root space enhances its vibrant yellow flowers, promoting optimal health.

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