Where do astilbe grow well?

Last Update: April 20, 2022

This is a question our experts keep getting from time to time. Now, we have got the complete detailed explanation and answer for everyone, who is interested!

Asked by: Mrs. Holly Volkman DDS
Score: 4.8/5 (45 votes)

When & Where to Plant Astilbe
Light: Astible grows best in part shade. It can thrive in full sun, but will need shade in the afternoon in hot summer climates. In full shade, flowering will be reduced. Soil: Astilbe thrives in moist, well-drained soil that has a slightly acidic pH (6.0).

Do astilbe need lots of water?

While maintenance of the plant is minimal, care for astilbe includes regular, even watering throughout its active growth, especially if planted in areas with more sun. Drying out can lead to leaf scorch, drying leaf margins and can even be the death of the astilbe plant.

How many hours of sun does astilbe need?

If astilbe receives 4 to 6 hours of sun a day, it will put on its wonderful flowered show. If planted in deep shade it will still fill your garden with lovely foliage, but few flowers.

What are the best growing conditions for astilbe?

Astilbes need rich, moist soil. So dig in plenty of well-rotted organic matter before planting, to improve the soil – add about a bucketful per sq m (sq yd). Choose a sunny or lightly shaded area. Be aware that in a very sunny spot, the foliage may scorch in high summer, and the soil is liable to dry out more quickly.

What conditions do astilbe like?

Astilbes need to grow in a dappled or part shady location in moisture retentive soil to thrive. They will not tolerate dry soils. They can however tolerate more sun, as long as the soil doesn't dry out, so make good plants for a bog garden or waterside planting.

Growing Perennials: Astilbe

18 related questions found

How do you keep astilbe blooming?

They love rich, moist soil. An annual spring dose of 5-10-5 organic fertilizer helps them produce their beautiful blooms year after year from spring through summer.

Does astilbe multiply?

Astilbe are shade-tolerant plants with average moisture needs. ... They grow up to 5 feet (1.5 m) tall and they can multiply quickly, so it is important to divide your astilbe regularly.

Will astilbe flower the first year?

Even a small plant will quickly fill out and perform well in its first year. In hot, dry climates, they need to be planted in the shade and/or given plenty of water. Different varieties will bloom anywhere from mid-spring to late summer.

Are astilbes invasive?

Today that group of astilbes looks fine, and, since this plant is not invasive, it has not taken over the area. Astilbes, which today form a group of 25 species, grow in various sizes from a few inches to more than 4 feet in height. ... Since the soil for the astilbe needs moisture, try to avoid dry spots when planting it.

Is astilbe poisonous to dogs?

Astilbe may be some of the taller plants in your perennial shade garden, as they grow to heights between 2 and 5 feet. ... Both astilbe and yellow corydalis are non-toxic to dogs.

How long do astilbe flowers last?

Astilbes shine when many other shade loving perennials are waning. They bloom for 2 to 3 weeks. Depending on the variety, astilbes flower from early to late summer. Early blooming varieties begin to flower in late May or June while late bloomers begin in late July or early August.

Does astilbe like the sun?

SUN AND SHADE Astilbe perform best in partial shade, but they will also grow in full shade. In cool, northern climates, most astilbe varieties will tolerate full day sun. ZONE: Astilbes are winter hardy in zones 3-8. WHEN TO PLANT Astilbes should be planted in spring, when the soil is cool and moist.

How often should you water astilbe?

It's best to water deeply when you water (not everyday sprinkling). Astilbes spread quickly and form broad clumps. Their crowns often rise above the soil as they grow, so make sure to cover them with humus-rich soil or lift and replant the clumps.

Does astilbe need fertilizer?

Astilbe does best in organically enriched, moisture retentive soil. You can achieve this by simply amending soil – or mulching – with compost, aged manures or similar materials. Further boost the floral display by fertilizing with Plant-tone, a slow release, organic fertilizer.

Does astilbe need to be deadheaded?

Deadheading astilbe won't encourage new flowers, so you should leave them in place through the fall. Eventually, the flowers will dry on the stalks but should stay in place. ... It makes astilbe winter care a little easier, and all new growth will come back to replace it in the spring.

What should I plant in front of astilbe?

Create pretty garden scenes and combine your Astilbes with their favorite companion plants such as Japanese Irises (Iris Ensata), Siberian Irises (Iris sibirica), Peonies (Paeonia), Daylilies (Hemerocallis) in partial shade to full sun sites.

Do astilbe bloom more than once?

Astilbes bloom between late spring and late summer. They flower over a fairly long season since each flower plume consists of hundreds of densely packed tiny flowers, opening in succession. However, they do not all flower at the same time and are classified with a blooming time, ranging from Early to Late season.

Do astilbe come back every year?

Astilbe is a shade-loving perennial that produces soft, feathery plumes of color. Blooming in spring, its foliage remians throughout the season to help keep the garden bed looking full and fresh.

What time of year is best to transplant astilbe?

Moving astilbe plants is the right thing to do when the flowers have been planted in inappropriate spots, or have been overshadowed by neighboring plants. Perennials that bloom in the spring, including astilbe, should be transplanted in late summer or fall. This is the right time to divide too, if necessary.

What is the longest blooming perennial?

Top 10 Long Blooming Perennials
  • 1.) ' Moonbeam' Tickseed. (Coreopsis verticillata) ...
  • 2.) Rozanne® Cranesbill. (Geranium) ...
  • 3.) Russian Sage. (Perovskia atriplicifolia) ...
  • 4.) ' Walker's Low' Catmint. (Nepeta x faassenii) ...
  • 5.) Coneflowers. ...
  • 6.) ' Goldsturm' Black-Eyed Susan. ...
  • 7.) ' Autumn Joy' Stonecrop. ...
  • 8.) ' Happy Returns' Daylily.

How quickly does astilbe grow?

Expect root growth to begin almost immediately after planting. In warm climates, top sprouts will form within a few weeks; in cool climates sprouts will emerge in the spring. Plant your roots in the fall 8 weeks before hard frosts typically occur in areas with winter temperatures that drop below freezing.

How fast does astilbe spread?

Most astilbes spread easily, so divide your plants every 3 to 5 years to prevent overcrowding and to keep them vigorous and healthy.

Do rabbits eat Astilbe?

Deer and rabbits don't like the taste of Astilbe leaves. We're not complaining! That just means we get to enjoy the flowers of this versatile (sun or shade) perennial.

Does astilbe attract bees?

Plants with Fluffy Flowers

Wild bees are particularly attracted to plants with fluffy-looking flower clusters, such as Joe Pye weed, veronicastrum, goldenrod, buddleia, astilbe and most members of the mint family, including agastache.

Why did my astilbe flowers turn brown?

The most common cause of browning astilbe is poor conditions. ... Make sure you water astilbe plants regularly and don't let them get too much direct sunlight. Use mulch to keep water in the soil but avoid soggy soil. Even if your plants have been browned by drought, keep watering, as they may come back healthy next year.