White Lights Rhododendron (Azalea) vs Showy Milkweed - TreeTime.ca

White Lights Rhododendron (Azalea) vs Showy Milkweed

Asclepias speciosa

Rhododendron x White Lights

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Showy Milkweed
White Lights Rhododendron (Azalea)

Showy Milkweed is a native perennial wildflower known for its fragrant clusters of pink to purple, star-shaped flowers. It is an essential plant for Monarch butterflies, acting as a critical host plant for caterpillars and a nectar source for adults. Blooming from early to mid-summer, these flowers also supply nectar to many other pollinators, including bees, butterflies, moths, and hummingbirds.

Ideal for butterfly conservation, pollinator gardens, and naturalization projects, Showy Milkweed thrives in a wide range of soils, including dry and rocky ground. While it spreads via underground rhizomes to form colonies, it is much less aggressive than Common Milkweed (Asclepias syriaca).

Note: All parts of the plant contain toxic cardiac glycosides, especially the milky sap. Do not ingest any part of the plant and prevent sap from contacting skin or eyes. Toxic to humans, pets, and livestock.

White Lights Rhododendron is part of the Northern Lights Series, cold hardy, and deciduous. In late spring you'll be drawn to its fragrant white blooms. In fall, the foliage turns a beautiful purple-bronze color. Pruning is recommended after the flowers are spent to control the size and shape of this shrub.

White Lights Rhododendron should be your next hedge/screen, or plant it on its own as a specimen plant.

Showy Milkweed Quick Facts

White Lights Rhododendron (Azalea) Quick Facts

Zone: 3a
Zone: 4a
Height: 0.9 m (3 ft)
Height: 1.5 m (5 ft)
Spread: 0.5 m (1.5 ft)
Spread: 1.2 m (4 ft)
Light: full sun
Light: partial shade, full sun
Moisture: dry, normal
Moisture: normal, wet
Growth rate: fast
Growth rate: medium
Life span: short
Life span: medium
Growth form: upright, clump forming
Spreading: rhizomes - high, seeds - high
Suckering: low
Maintenance: medium
Maintenance: medium

Toxicity: toxic to pets, livestock, and humans if ingested, can cause skin and eye irritation.

Toxicity: All parts of a rhododendron bush, including the leaves, stems and blooms, are toxic to cats, dogs, and horses.
Flowers: purplish-pink clusters
Flowers: white with pink blush
Bloom time: early to mid summer
Hybrid: no
Hybrid: no
Catkins: no
Catkins: no


Native to: AB, BC, MB, YT