Astilbe Planting and Caring Guide

Astilbe blooms are known for their long, fluffy plumes that soar above frilly, fern-like foliage in the shade garden during the summer months.

Shade-tolerant plants like hosta and hellebores, whose leaves contrast and whose blooms complement each other, look fantastic with these colourful flowers.

Astilbe Plant Information

There are more than twenty-five distinct Astilbe species, as well as countless hybrids.

Arching stems are used by some, whereas erect stems are used by others.

While the majority of asters are pastel in colour, some can be as dark as purple.

As well as differing in height and bloom season, there are other kinds to choose from.

Depending on the variety, astilbe blossoms can range in height from a few inches to a few metres.

All summer long, you’ll be rewarded with their spiked blossoms (in a multitude of sizes) if you do your homework.

With the appropriate information, you can have a large, well-developed bloom or one that is stunted or shows browning and dieback of the leaves.

‘Astilbe plant information’ Soil, food, and location all play a role in how well an astilbe plant does.

Let’s learn how to grow astilbes in a way that encourages the most prolific blooming.

How to Grow Astilbes

There are more than twenty-five distinct Astilbe species, as well as countless hybrids.

Arching stems are used by some, whereas erect stems are used by others.

While the majority of asters are pastel in colour, some can be as dark as purple.

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As well as differing in height and bloom season, there are other kinds to choose from.

Depending on the variety, astilbe blossoms can range in height from a few inches to a few metres.

All summer long, you’ll be rewarded with their spiked blossoms (in a multitude of sizes) if you do your homework.

With the appropriate information, you can have a large, well-developed bloom or one that is stunted or shows browning and dieback of the leaves.

‘Astilbe plant information’ Soil, food, and location all play a role in how well an astilbe plant does.

Let’s learn how to grow astilbes in a way that encourages the most prolific blooming.

When to Plant Astilbe

  • Pots of astilbes are available at garden centres in spring and early summer and should be planted as soon as possible.
  • Divide existing astilbe plants in early spring as soon as you see new growth.
  • When started from seeds, astilbes can be difficult to germinate. The resulting plants tend to be short-lived. The division is recommended to keep the plants producing.

Astilbe Plant Care

Even though the plant requires little care, it is important to water astilbe regularly and evenly throughout its active development cycle, especially if it is located in a sunny location.

As the astilbe plant dries up, it might suffer from leaf scorch, dry leaf margins, and even death.

Astilbes with enormous, feathery plumes can be grown in the proper conditions and with the right fertiliser.

Adding compost to the soil or using a phosphorus-rich organic product or fertiliser is also recommended from time to time.

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Cut back spent plumes in the spring, or let them alone for winter appeal. Alternatively, they can be separated every four years if necessary.

The delicate, long-lasting blossoms of astilbe plants can be achieved in the spring and summer garden with proper care and the right place.

Astilbe can be found in any shade garden, and many gardeners find that one is not enough for their collection.

Propagating Astilbe

Divide astilbe plants every four to five years to keep the plants healthy.

In ideal conditions, astilbe plants can grow quickly and require more frequent division.

Astilbe seed is available, but it can be difficult to germinate. It’s easiest to start with a plant or division.

Even a small plant will quickly fill out and perform well in its first year.

  1. Dig up the root ball in early spring and divide it into several equal-sized pieces with a spade,
  2. Replant at the same soil level. Water well immediately after planting the pieces.
  3. Keep the plants well-watered after replanting and they will reestablish themselves quickly.

Pruning

Little maintenance is required of astilbe plants. The flower heads will dry on the plant and remain attractive for many months.

The flowers can be cut whenever they start to look ragged, or left up for winter interest and cut back in the spring.

Common Pests & Plant Diseases

Astilbes are virtually trouble-free, bothered by few diseases or insects.

The tender, new growth may be nibbled on by groundhogs or rabbits, but once the plants have filled out, they typically don’t suffer any long-term damage.

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