Garden Oracle / Drought and Heat Tolerant Gardening / Tucson - Phoenix - Arizona - California

Growing Buddleja marrubiifolia:
Woolly Butterfly Bush

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Description
Form: Shrub.
Leaf retention: Evergreen.
Growth rate: Moderate.
Mature Size: 5' (1.5m) high and wide.
Flowers: Tiny orange flowers, aromatic, in ball-shaped clusters about 1/2" (12mm) across.
Bloom: Late winter, spring, summer or fall, depending on location.
Fruit: A tiny capsule containing a winged seed.
Leaves: Velvety, silver to silver-green leaves with rounded-tooth margins.
Stems: Densely hairy. No thorns.
Wildlife: The flowers attract butterflies for only one or two days after opening, mostly when in light shade.
Toxic / Danger: No.
Origin: Texas and Mexico.

Cultivation and Uses
USDA hardiness zones: 8-11.
Heat tolerant: Yes.
Drought tolerant: Yes.
Sun: Full sun to part shade.
Soil: Well draining, pH 6.1-8.5 (slightly acidic to alkaline). Woolly Butterfly Bush adapts to most soil types.
Water once established: Monthly.
Prune: This plant flowers on new growth and can be pruned in late fall or early winter. While pruning is not necessary, a light trim can spur new growth and additional flowers.
Litter: Low.
Propagation: Cuttings from new growth.
Uses: Ornamental, low water (xeriscape) garden.

Comments
This plant is a member of the Figwort family (Scrophulariaceae). In full sun, it attracts butterflies briefly when the flowers have first opened. In light shade, more butterflies appear. Plants listed on the Butterfly Garden page attract more butterflies over a longer period of time.



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Buddleja marrubiifolia: Woolly Butterfly Bush - flower

Buddleja marrubiifolia: Woolly Butterfly Bush

Latest update: September, 2024
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