How to Grow Stormy Weather Sedum

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Stormy Weather Sedum

Sedum 'Stormy Weather'

succulent

Stormy Weather is a striking hybrid sedum cultivar known for its dramatic dark purple to nearly black foliage that intensifies in cool temperatures and bright light. This low-growing succulent forms compact mounds and produces delicate pink flowers in late summer to fall. It's an excellent choice for rock gardens, containers, and drought-tolerant landscapes.

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Example Stormy Weather Sedum timeline · Pittsburgh, PA (Zone 6b)

  1. Plant Stormy Weather Sedum

    Around Apr 17

    Near Pittsburgh's average last spring frost.

  2. Tend & protect

    Late spring–summer

    Watering, feeding, and pest-watch reminders.

  3. Harvest Stormy Weather Sedum

    Late summer into fall

    Before the first fall frost (≈ Nov 8)

Sample dates for Pittsburgh, PA. Sign up to get exact Stormy Weather Sedum dates for your own zip code.

Growing Conditions

☀️
Sun: Full sun, 6+ hours daily for best color development; tolerates partial shade but loses dark coloration
💧
Water: Low water needs once established. Water deeply but infrequently; allow soil to dry completely between waterings. Reduce watering in winter. Overwatering is the primary cause of failure.
📏
Spacing: 6-12 inches
📅
Days to maturity: Mature size reached in 1-2 years
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Planting depth: Plant at soil surface; do not bury stems

Soil

Type: Well-draining sandy or gritty loam; cactus/succulent mix preferred
pH: 6.0-7.0
Amendments:
Perlite or coarse sand Pumice Gravel for drainage

Growing Zones

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Thrives in USDA zones 3-9; most vibrant color in zones 4-8

3a 3b 4a 4b 5a 5b 6a 6b 7a 7b 8a 8b 9a 9b

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Growth Stages

1

Establishment

4-6 weeks

Young rosettes with light purple foliage; plant is establishing root system

Water moderately during first 4-6 weeks after planting; avoid overwatering. Place in bright light to encourage color development.

2

Vegetative Growth

Spring through summer

Foliage deepens in color to dark purple; plant spreads horizontally and fills out

Reduce watering frequency as plant matures. Full sun exposure intensifies dark coloration. Minimal fertilizer needed; use low-nitrogen formula if feeding.

3

Hardening Off

Fall months

Foliage turns nearly black as temperatures cool in fall; color is most dramatic

Increased light exposure and cooler nights (50-60°F) trigger the darkest coloration. Continue minimal watering.

4

Flowering

Late August through October

Delicate pink or coral star-shaped flowers appear on terminal clusters; foliage remains dark

Flowers attract pollinators. Deadhead spent flowers to encourage additional blooms, or leave for garden interest.

5

Dormancy

November through February

Plant enters winter dormancy; growth slows significantly; foliage may retain dark color or lighten slightly

Reduce watering to minimal; plant needs little care. Excellent cold hardiness allows outdoor overwintering in zones 3+.

Companion Planting

Plan your garden →

Plant with:

Avoid planting near:

Plants requiring frequent watering (hostas, ferns, hydrangeas) Aggressive spreaders that compete for space Moisture-loving companions that create humid conditions

Common Pests

  • Improve drainage; reduce watering frequency; use well-draining soil mix; repot in fresh soil if affected; allow soil to dry between waterings

  • Spray with insecticidal soap or neem oil; isolate infected plants; remove with alcohol-soaked cotton swab for small infestations

  • Increase humidity slightly; spray with water; use miticide or neem oil if severe; improve air circulation

  • and

    Remove by hand; use copper tape barriers; apply food-grade diatomaceous earth around plants; reduce mulch near stems

Uses

🌿

Container and Rock Garden Display

Ornamental

Stormy Weather's dramatic dark foliage and compact form make it an exceptional choice for container gardens, alpine troughs, and rock gardens. The color contrast is striking in mixed succulent arrangements. [source]

🌿

Drought-Tolerant Groundcover

Landscaping

The low-growing habit and minimal water requirements make it ideal for xeriscaping, living roofs, and dry borders. Creates visually striking groundcover with self-sustaining growth. [source]

🦋

Pollinator Food Source

Wildlife

Late-season flowers attract bees, butterflies, and other pollinators when few other food sources are available. Provides essential nectar for fall migration. [source]

🎨

Propagation and Plant Sharing

Craft

Extremely easy to propagate from individual leaves or stem cuttings, making it ideal for sharing with gardeners or creating new plants. Cuttings root in 2-3 weeks in appropriate conditions. [source]

🏠

Low-Maintenance Living Décor

Household

Perfect for desk plants, windowsill displays, and indoor collections. Requires minimal watering, fertilizing, or pest management compared to typical houseplants. [source]

Harvest Tips

Not typically harvested; grown for ornamental foliage and flowers. Deadhead spent flower clusters in late fall if desired. Can be propagated from leaf or stem cuttings year-round; allow cuttings to callus for 3-5 days before planting in dry succulent mix.

Fun Facts

  • 🌱 Stormy Weather's dramatic color change is a photoprotective adaptation: the dark purple-black pigments (anthocyanins) develop in response to intense sun and cool temperatures, shielding the plant from UV damage and cold stress.
  • 🌱 This sedum can survive temperatures as low as -30°F (-34°C), making it one of the hardiest ornamental succulents suitable for zone 3 gardens and high-altitude landscapes.
  • 🌱 The plant's fleshy leaves store water, allowing it to survive prolonged droughts of 4-6 weeks or more without supplemental irrigation once established—a valuable trait in water-conscious landscapes.

Gardening Terms

New to gardening? Learn about terms used in this guide:

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