perennial

Thundercloud Stonecrop

Sedum 'Thundercloud'

Not currently listed at our partner nurseries.

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Essentials

At a Glance

Plant Type

Perennial

Height

12 inches

Width

12 inches

Light

Full Sun

Zones

4, 5, 6, 7, 8, 9

Water

Low

Humidity

Low to moderate

Lifespan

Long-lived perennial

Native To

Cultivated hybrid

Toxicity

Non-toxic

The Story

Plant Bio

Sedums, or stonecrops, are succulent perennials prized for their fleshy water-storing leaves, extreme drought tolerance, and late-season flowers that are a magnet for pollinators. 'Thundercloud' is a standout cultivar known for its compact, tight mounding habit that doesn't flop. It features glaucous blue-green foliage and is topped with large, fluffy white flower heads in late summer.

Bloom Period:

EarlyLate

Uses & Benefits:

Its neat, dome-shaped habit and cloud-like white flowers provide excellent structure and late-season interest in borders and rock gardens. The blue-green foliage offers a cool contrast to other plants.

Being extremely drought-tolerant, it's an excellent choice for xeriscaping, low-water gardens, and containers that are difficult to water regularly. It requires virtually no supplemental care once established.

The late-summer blooms provide a crucial nectar source for bees, butterflies, and other pollinators when many other flowers have faded, supporting local insect populations before winter.

Marketplace

Where to Buy

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Planting

How to Grow

Select a location receiving at least six hours of direct sun daily.
Ensure the soil is gritty and exceptionally well-drained.
Dig a hole just as deep and wide as the container.
Gently place the plant in the hole, with the crown at soil level.
Backfill with native soil, firming it gently around the roots.
Water sparingly after planting; allow soil to dry out between waterings.

Pro Tip

Provide 'lean' soil with minimal fertilizer; rich soil can cause leggy growth and flopping, spoiling its compact form.

Keep It Thriving

Care Guide

Do

Provide full sun for the best foliage color and compact growth.
Use a gritty, sandy, or loamy soil mix.
Allow the soil to dry completely between waterings.
Cut back old stems in early spring to make way for new growth.

Don't

Do not overwater or plant in heavy, wet clay soil.
Avoid fertilizing, as it promotes weak, leggy growth.
Don't plant in deep shade, which leads to poor form and flowering.
Avoid mulching directly against the plant's crown to prevent rot.

Seasonal Care Calendar

Task	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Divide
Pest Check
Plant
Spring Cleanup

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Tidy border edgingDrought-tolerant rock garden featureModern container planting

Companion Plants

Festuca glauca Echinacea purpurea Perovskia atriplicifolia Sempervivum Coreopsis verticillata

Multiply

Propagation Methods

Good to Know

Common Questions

Thundercloud Stonecrop questions

What zones can Thundercloud Stonecrop grow in?

Thundercloud Stonecrop is hardy in USDA Zones 4–9. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.

Is Thundercloud Stonecrop deer resistant?

Yes — Thundercloud Stonecrop is rated deer-resistant. Deer typically pass it over, though extreme hunger can override any plant's defenses.

When does Thundercloud Stonecrop bloom?

Thundercloud Stonecrop typically blooms in late summer through early fall. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.

Does Thundercloud Stonecrop need full sun?

Thundercloud Stonecrop does best in full sun (6+ hours).

Is Thundercloud Stonecrop drought tolerant?

Yes — once established (usually after the first full season), Thundercloud Stonecrop handles dry spells with minimal watering. Water deeply its first year to build the root system that makes that possible.