Astilbe x arendsii 'Dark Side of the Moon'
perennial

Astilbe Dark Side of the Moon

Astilbe x arendsii 'Dark Side of the Moon'

$39.92
Expertly Curated
Real-Time Pricing
Loved by Designers

Essentials

At a Glance

Plant Type

Perennial

Height

24 inches

Width

26 inches

Light

Partial Sun, Shade

Zones

4, 5, 6, 7, 8, 9

Water

Consistently moist soil

Humidity

Prefers high humidity environments

Lifespan

Perennial

Native To

Asia (parentage)

Toxicity

Non-toxic to pets and humans

The Story

Plant Bio

A clump-forming perennial noted for its deep chocolate-burgundy, fern-like foliage. In summer, it produces plumes of rosy-purple flowers on dark stems. This cultivar is distinguished by its intensely dark foliage, which holds its color well in the sun, providing a bold contrast in shade gardens and borders.

Bloom Period:

J
F
M
A
M
J
J
A
S
O
N
D
EarlyLate

Uses & Benefits:

Ornamental UsesProvides lush, feathery foliage and vibrant pink blooms, ideal for shaded borders.
Practical UsesPrefers moist, rich soil, tolerates wet conditions, and requires minimal pruning.
Ecological BenefitsAttracts pollinators like bees and butterflies, supports local biodiversity.

Marketplace

Where to Buy

In Stock$39.92

Shipping costs Year-round shipping Free shipping

Planting

How to Grow

  1. Tuck seeds or divisions into moist soil in early spring.
  2. Mist cuttings regularly to maintain humidity.
  3. Plant in part shade with rich, well-draining soil.
  4. Water consistently to keep soil moist, especially in dry periods.
  5. Mulch around plants to retain moisture and suppress weeds.
  6. Fertilize with a balanced, slow-release fertilizer in spring.

Pro Tip

Ensure consistent moisture for vibrant foliage and blooms.

Keep It Thriving

Care Guide

Do

  • Water regularly to keep soil moist 🌱
  • Mulch to retain soil moisture
  • Divide clumps every 3-4 years to promote healthy growth
  • Plant in shaded or partially shaded areas

Don't

  • Allow soil to dry out completely ❌
  • Expose to harsh, direct sunlight
  • Over-fertilize, which can cause legginess
  • Ignore pest signs

Seasonal Care Calendar

TaskJanFebMarAprMayJunJulAugSepOctNovDec
Divide
Fertilize
Harvest
Mulch
Pest Check
Spring Cleanup

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Shady woodland borderMoisture-loving garden bedSilvery foliage accent

Companion Plants

Hosta Ferns Heuchera Ligularia Japanese Painted Fern

Multiply

Propagation Methods

Good to Know

Common Questions

Astilbe Dark Side of the Moon questions

What zones can Astilbe Dark Side of the Moon grow in?

Astilbe Dark Side of the Moon 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 Astilbe Dark Side of the Moon deer resistant?

Yes — Astilbe Dark Side of the Moon is rated deer-resistant. Deer typically pass it over, though extreme hunger can override any plant's defenses.

When does Astilbe Dark Side of the Moon bloom?

Astilbe Dark Side of the Moon typically blooms in mid-summer through late summer. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.

Does Astilbe Dark Side of the Moon need full sun?

Astilbe Dark Side of the Moon does best in part shade.

Keep exploring

Grow Astilbe Dark Side of the Moon with confidence

See it in a design of your actual yard, get zone-matched care reminders, and track it season by season in your garden journal.

Download Sow on the App StoreGet Sow on Google Play