Rush milkweed - Asclepias subulata (Care, Characteristics, Distribution, Images)

Rush milkweed

Rush milkweed is an upright perennial herb with a bunch of exposed stems that sheds its foliage early in the season. It only grows leaves after it has rained. Its groups of cream to yellow flowers attract Monarch and Striated Queen butterflies and other nectar-seeking insects.

Scientific classification

Species

Rush milkweed (Asclepias subulata)

Gentians, dogbanes, madders, and allies

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Toxic to Pets

Toxicity

91 cm to 1.2 m

Plant Height

60 cm to 90 cm

Spread

Green

Leaf Color

2.5 cm

Flower Size

White, Yellow

Flower Color

Evergreen

Leaf type

20 - 38 ℃

Ideal Temperature

Images of Rush milkweed

Distribution of Rush milkweed

Distribution Map

Rush milkweed is originally native to parts of North America and has been introduced and cultivated in other regions where conditions are suitable for its growth. Its natural habitat spans arid and semi-arid climates in major geographical areas. The species thrives in its native range, demonstrating adaptability to similar environments elsewhere.

Native

Cultivated

Invasive

Introduced

No species reported

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Habitat

Dry slopes, mesas, plains, desert washes

Hemisphere Trend Curve

Northern

Sorthern

Care Guide for Rush milkweed

Every week

Water

Full sun

Sunlight

20 - 38 ℃

Ideal Temperature

Garden Soil

Soil Type

Water: Rush milkweed, originating from arid regions, thrives with minimal moisture and exhibits remarkable drought tolerance. It requires watering once a week due to its water conservation abilities, making it ideal for low-maintenance outdoor gardens where other plants may struggle.

Fertilize: For optimal growth of rush milkweed, apply high nitrogen fertilizers sparingly and early in the season every 6-8 weeks, using about 1/2 pound per 100 square feet. Withhold during dormancy and adjust based on plant size and soil fertility. Use slow-release formulas to prevent root burn.

Pruning: Pruning rush milkweed in early to late spring boosts growth and shapes the plant. Trim dead stems for a healthy structure, enhancing air circulation and flowering. Rejuvenate by pruning to the base but avoid over-pruning. Use clean, sharp tools to reduce disease risks.

Propagation: Rush milkweed, native to arid regions, requires minimal care, ideal for xeriscaping. Propagate by sowing seeds in well-draining soil, just below the surface. Provide ample sunlight and keep the medium lightly moist until germination; then reduce watering to simulate dry conditions. Adaptable to various well-drained soils.

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