Snow-on-the-Mountain (Ghostweed)
Euphorbia marginata. EUPHORBIACEAE.
Planting and Growing Snow-on-the-Mountain
You’ll find everything you need to know to plant and grow snow-on-the-mountain in the accompanying table’s tabs:
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- Flowers, foliage, and root structure of snow-on-the-mountain
- Plant hardiness and growing conditions for snow-on-the-mountain
- Season of bloom and planting time for snow-on-the-mountain
- When, how deep, and where to plant snow-on-the-mountain
- How to plant snow-on-the-mountain
- Watering, fertilizing, care, and pests or diseases of snow-on-the-mountain
- Landscape and container uses of snow-on-the-mountain
- Comments about snow-on-the-mountain and its features
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Growing Snow-on-the-Mountain
Several cultivars of erect, branching annual herbs, usually 2–4 ft. (60–120 cm) tall and 1–2 ft. (30–60 cm) wide. Shiny, light green, white, variegated, broadly oval, pointed leaves, to 3 in. (75 mm) long, mostly white on top tiers becoming solid green on bottom tiers.
Common cultivars include Euphorbia marginata ‘Fireglow, ‘Polychroma’, ‘Summer Icicle’, and ‘White Top’.
Planting and Care Guide
Blooms
Insignificant green flowers, to 1/2-in. (12-mm) wide, with green bracts; grown primarily for foliage.
Best Climates
Self-seeding, zones 2–10.
Soil Type and Fertility
Moist to dry, well-drained soil. Fertility: Average–low. 6.5–7.5 pH.
Where and How to Plant
Early spring in full sun to open shade, 8–12 in. (20–30 cm) apart, when soil is workable.
Proper Care
Easy. Keep damp; allow soil surface to dry between waterings. Avoid fertilizing. Pinch to control growth. Propagate by seed.
About This Plant
Good choice for accents, beds, borders in formal, shade, woodland gardens. Good for cutting; sear stems over flame after cutting. Pest and disease resistant.