Astilbe

Astilbe × arendsii

Family Saxifragaceae

PerennialZones 4-8

Botanical illustration of Astilbe

Deep shade rarely gets glamour, but astilbe brings it anyway: feathery plumes in pinks, reds, and whites rising over ferny foliage right in the middle of summer. Cut, they hold in a vase; dried, they carry the show straight through winter arrangements.

It belongs where the ground stays damp — a low woodland bed, the shaded downspout corner, streamside — and there it's a bee-visited, pet-safe workhorse that returns thicker each year. If you have moist shade going to waste, astilbe is what it was waiting for.

Where to buy astilbe — 4 nurseries compared

  • Part Shade to Shade
  • High water
  • Moderate growth
  • Attracts bees
Astilbe — a print from the Plant Library collection

From the print shop

Growing astilbe? Hang it.

Our Plant Library collection carries astilbe — Astilbe arendsii, print Nº 36, “Astilbe.”

526 designsfrom $12.99white or black backgroundmatte poster, unframed

Shop Plant Library botanical prints →

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Will it fruit where you are?

Enter your ZIP — we look up your USDA hardiness zone (2023 map) and check it against what astilbe actually needs.

Hardy inZones 4-8

Astilbe · Common problems

Common astilbe problems

Pests, diseases and weather to keep an eye on.

Pests

1 problem on file

  • Almost none

Diseases

2 problems on file

  • Leaf scorch = thirst
  • not disease

Astilbe · Growing & propagation

Growing astilbe

Light, water, soil, propagation and the season’s jobs.
What it needsThe details
Light
Part Shade to Shade
Water
HIGH

The one non-negotiable; crisps brown in drought

Soil
Rich, moist, humusy · pH 6.0 - 7.0
Fertilizer
Spring feed

Heavier feeder than most perennials

Pruning
Spring (leave winter plumes standing

They're pretty frosted) — Divide every 4 years; that's it besides water discipline.

Spacing
18-24 in

How to plant & propagate astilbe

Propagate
Division or seed

Astilbe · Calculators & field guides

A little help in the garden.

Calculators for the figures. Field guides for the hands-on work.

Astilbe · Yearly calendar

The astilbe year, month by month

What astilbe asks for, month by month.

Jan

PruneDecember to May

MonthJanFebMarAprMayJunJulAugSepOctNovDec
Bloom
Prune

BloomJune to July

PruneDecember to May

What each band means

  • Bloom — flowers open — pollinators working, frost on blossoms is the danger.
  • Prune — shape it now — cuts heal cleanly and structure is visible.

These are the species' typical months — expect them a few weeks earlier in warm zones and later in cold ones. Watch the plant, not just the calendar.

Astilbe · Ecology & uses

Ecology & uses

What it does for the garden, and what it is grown for.
Botanical illustration of Astilbe

Astilbe × arendsii

Astilbe in the garden system

  • Herbaceous layer perennial
Attracts
Bees
Habitat
Woodland
Moisture
Facultative / average
Deer
Browsed

Protect young plants

Origin
Introduced

What astilbe is grown for

✓ Commonly eaten

Use
Shade plumes
Use
Moist woodland beds
Use
Cut/dried

Edibility, identification, and traditional-use notes here are general reference — not medical or veterinary advice, and not a claim that any plant treats or prevents anything. Medicinal ratings record how strongly a plant features in herbal tradition, nothing more. Never eat or dose a plant you have not positively identified. More on how to use this library.

Astilbe · Varieties & cultivars

Choosing a astilbe variety

Match the plant to your climate, season and available space.

'Bridal Veil'; 'Fanal' (red); 'Purple Candles'; 'Sprite' (dwarf)

Sources & plant identity

Know what you’re growing.
See where the knowledge comes from.

Botanical illustration of Astilbe

Astilbe

Astilbe × arendsii

The plant, at a glance.

Botanical name
Astilbe × arendsii
Plant family
Saxifragaceae
Growth habit
Perennial
Origin
Introduced
USDA plant symbol
ASTIL
Invasive risk
Low
Every garden is different.

Hardiness, size and timing vary with your cultivar, soil and climate.

Rooted in research.

University extension research, brought together with hands-on growing experience at Story Thyme Farms.

Explore Astilbe’s sources1 reference link
for Astilbe

Research from these sources

Publisher marks identify sources, not sponsorship or endorsement.

Questions

Astilbe questions, answered straight.

Is astilbe safe for kids and pets?

Astilbe is commonly eaten and isn't considered toxic, but "commonly eaten" isn't a guarantee for any particular person or animal — allergies, quantity, and which part you eat all matter. Never eat a plant you haven't positively identified, and check with a vet before letting pets or livestock graze anything new.

How do you propagate astilbe?

Division or seed.

Elsewhere

Where astilbe sits in the library.

Grows in the same world