Astilbe.

En un coup d'œil

Care level

Easy

Plant type

Perennial

Light

Partial Shade to Full Shade

Indoor light

medium

Water

Every 2 to 4 days

Mature size

2-4 feet tall and 1-3 feet wide

Growth rate

medium

Hardiness

USDA 3 to 8

Bloom time

Summer

Entretien

Provide consistent moisture, as Astilbes dislike drying out. Deadhead spent flowers to encourage reblooming and maintain a tidy appearance. Divide clumps every few years to maintain vigor and manage spread.

Watering

Keep soil consistently moist; do not allow to dry out, especially during hot weather.

Feeding

Fertilize in early spring with a balanced fertilizer as new growth appears.

Pruning

Cut back dead foliage in late fall or early spring before new growth emerges.

Repotting

Divide and repot every 2-4 years to revitalize the plant and prevent overcrowding.

Soil

Rich, moist, well-draining soil

Soil pH

Slightly acidic to neutral (5.5-7.0)

Temperature

-30 to 30°C

Humidity

40 to 70%

Sécurité

People

Generally considered non-toxic to humans, but it's always best to avoid ingesting any ornamental plant.

Children

While not highly toxic, the plant parts can be a choking hazard if ingested by small children.

Contact allergens

Some individuals may experience mild skin irritation upon contact with the sap or leaves.

Airborne allergens

Astilbe pollen can be a mild respiratory irritant for sensitive individuals.

Edibility

This plant is not intended for human consumption.

Comment l'identifier

• Plumed flower spikes
• Fern-like, compound leaves
• Vibrant flower colors
• Clump-forming habit
• Grows in shade

Height

0.6 to 1.2m

Spread

0.3 to 0.9m

Leaves

Green, semi-evergreen

Flowers

Pink, Red, White, Purple, 10 to 30cm

Problèmes courants

• Spider mites — Tiny pests that create fine webbing and cause stippling on the leaves, especially in dry conditions.
• Powdery mildew — A fungal disease that appears as white, powdery spots on the leaves and stems.
• Leaf scorch — Leaf edges turn brown and crisp, usually due to insufficient moisture or excessive sun.

La cultiver

Propagation

Division, Seed

When to plant

Spring, Fall

Plant Astilbe where it can receive dappled shade and consistently moist soil for the best performance.

Bonnes associations

• Hosta — Hostas share similar shade and moisture requirements, creating a lush understory planting.
• Ferns — Ferns provide a naturalistic woodland look and thrive in the same moist, shady conditions as Astilbe.
• Coral Bells — Coral Bells offer colorful foliage and also prefer shady, moist environments, complementing Astilbe's texture.
• Bleeding Heart — This classic shade garden plant blooms around the same time or slightly earlier, providing a beautiful contrast.

À éloigner de

• Full Sun — Direct, prolonged sunlight can scorch Astilbe leaves and dry out the soil too quickly.
• Dry Soil — Astilbe needs consistent moisture; extremely dry soil leads to wilting and browning foliage.

Espèces similaires

• Goatsbeard — Goatsbeard is a larger perennial with similar feathery white flower plumes and similar shade and moisture needs.
• Brunnera — Brunnera offers heart-shaped leaves and delicate blue flowers, also thriving in moist, shady conditions.

Science

Family

Saxifragaceae

Genus

Astilbe

Order

Saxifragales

Class

Magnoliopsida

Native range

Asia, Europe

Conservation

Not of conservation concern.

Astilbe grows in moist, shaded environments like woodlands and stream banks, often found in dappled sunlight.

Value to wildlife

nectar source, pollen source

Pollinators

bees, butterflies, moths

Uses

Ornamental, Cut flower

Taxonomie vérifiée avec le GBIF.

Ce qu'on demande souvent

What are the best growing conditions for Astilbe?

Astilbe prefers moist, well-drained soil and partial to full shade. Consistent moisture is key to preventing leaf scorch.

When do Astilbe bloom?

Most Astilbe varieties bloom from early to late summer, depending on the specific cultivar.

Can Astilbe be grown in pots?

Yes, Astilbe can be grown successfully in containers as long as they are kept consistently moist and provided with adequate shade.

How do I divide Astilbe?

You can divide Astilbe clumps in early spring or fall to rejuvenate the plant and propagate new ones. This is typically done every 3-5 years.

D'où vient le nom

The common name 'Astilbe' is derived from Greek, meaning 'without brilliance', referring to its foliage.

Bon à savoir

• Astilbe is native to Asia and Europe.
• The name 'Astilbe' comes from Greek words meaning 'without' and 'brilliance', referring to its dull foliage.
• There are over 25 species of Astilbe.
• They thrive in moist, shady conditions, mimicking their native woodland habitats.