Astilbe are generally not to difficult to grow in pots and containers as long as you have a semi-shady area in your garden and a good quality soil-based compost to help retain moisture.

How do you start astilbe indoors?

1. Best sown indoors at a temperature of 55°-72°
2. No cover needed as light aids in germination.
3. Expect the small seeds to germinate in 20-25 days.
4. Seeds can also be sown outdoors in early spring.
5. When sowing seed outdoors, we recommend a maximum planting depth of 4X the width of the seed.

What kind of light does astilbe need?

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).

How do you care for potted astilbe?

Caring for Potted Astilbe Plants Check the container often and water potted astilbe plants whenever the top one inch (2.5 cm.) of soil feels dry to the touch – which may be daily during the heat of summer. Be sure the pot drains well and never allow the soil to remain soggy.

Does astilbe like wet soil?

Astilbe (Astilbe simplicifolia) – One of my favorite astilbes is ‘Sprite’ because of its unique airy, shell-pink flowers and dark, bronze-green foliage. Prefers moist, humus-rich roil.

Are astilbe hard to grow?

You can plant astilbe seeds, but they are short–lived and difficult to germinate. … Dry soil can be fatal to your plants. To prolong the foliage, provide shade from hot afternoon sun. Astilbes can grow in deep shade, but will not flower as much.

How long does it take astilbe to 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.

When should I repot astilbe?

You can successfully divide either in the Autumn or the beginning of Spring as you do with most perennials with latter probably being the prefered time as they are starting to root as they come back to life after being dormant over winter.

Do astilbe come back every year?

Astilbe are perennials. They bloom in the spring until late autumn and then they’ll naturally turn color and drop all their leaves. When cared for over the winter, they’ll come back in the spring and bloom again.

Why is my astilbe dying?

Astilbes begin to wilt, sometimes quickly, when they’re exposed to too much sun. The hot summer sun can also heat up and dry out the soil. Another symptom of too much sun is leaf scorching; the edges of the leaves may appear burnt or begin to shrivel.

Article first time published on

Is astilbe an invasive plant?

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.

How do you winterize astilbe?

When winterizing astilbe plants, you can cut all the foliage off, leaving just a 3-inch (7.5 cm) stem above ground. It makes astilbe winter care a little easier, and all new growth will come back to replace it in the spring. You can also save the flowers for dry arrangements indoors.

Are 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. As long as the astilbe plants get limited sunlight and have moist soil, they can bloom throughout the summer months. … Both astilbe and yellow corydalis are non-toxic to dogs.

What goes well with Astilbe?

• Ferns.
• Japanese and Siberian iris.
• Trilliums.
• Impatiens.
• Ligularia.
• Cimicifuga.

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 reseed itself?

Astilbe grow from rhizomes, which produce the shoots and blooms of this lively shade plant. … Most plants start out as a seed but due to many variables, the results may not be true to the parent plant. Also, plants that are derived from rhizomes, corms, or bulbs need many seasons to mature fully and produce flowers.

How long does it take for bare root astilbe to grow?

If you detect this problem, make sure you take these plants out of the boxes. You cannot store these roots any longer they have to be potted immediately. After planting a bare root Astilbe in spring, it will take about 8-10 weeks before the plant is ready to be sold.

Why is my astilbe not growing?

Soil and Moisture – Although astilbe prefers organic, well-drained, acidic soil, it’s important that the plant is relatively moisture retentive. … Fertilizer – Astilbe plants are heavy feeders and may not bloom without adequate nutrition; this is a common reason for an astilbe not flowering.

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.

Does astilbe like shade?

Lovers of rich, moist soil, astilbes surprise you with their sheer vibrancy and range of flower and foliage combinations. These hardy perennials are happy in sun or shade, adding drama to bog gardens, damp borders and even containers.

Do birds eat astilbe seeds?

The flowers of astilbe, yarrow and snakeroot will add texture to fall and winter gardens. …

Are coral bells sun or shade?

The ideal conditions for coral bells is part shade, meaning 4 to 6 hours of direct sunlight per day, and out of the way of scorching afternoon sun. However, heuchera plants will grow in any amount of sunlight, including full sun, as long as you water well.

Does astilbe transplant well?

You can transplant most flowers, including astilbe, whenever you want to give them more advantageous positions in the garden. … 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.

Does astilbe need fertilizer?

Fertilizer. Astilbe plants need phosphorus to bloom, so choose a fertilizer with the makeup of 5-10-5 or 10-10-10. Rake the fertilizer into the soil two weeks before you plant, or sprinkle a few granules onto the soil after the astilbe has been planted.

Can I transplant astilbe in spring?

Astilbe can be successfully divided in fall or early spring. If divided in fall, you can directly replant the new divisions, or you can store them in pots in your garage for the winter to gift to your friends, or for planting in your garden the following spring.

Can you over water astilbe?

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 do you bring astilbe back to life?

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.

What is eating my astilbe flowers?

Another common pest is black vine weevil. The larvae of this weevil often injure astilbe plants in nurseries and ornamental plantings by feeding on the roots. The grubs devour the small roots and feed inside the larger roots, weakening them.

Where should I plant astilbe sun or shade?

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 much does astilbe spread?

A flowering perennial that reaches heights ranging from one to six feet, astilbe spreads via underground rhizomes. It’s a relatively slow-growing perennial that will fill in a space that you’ve chosen for it nicely, when given enough time.

Do astilbe attract hummingbirds?

Astilbe is considered to be deer resistant and will attract hummingbirds. Use ‘Fanal’ Astilbe as beautiful cut flowers for a grand bouquet!