PERENNIALS > ASTILBE > DIVISION

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ASTILBE GUIDES

pink flowering astilbe growing outside

Bare Root PlantingContainer GrowingDivisionGrowing From SeedOverwinteringPruningVarieties

Astilbe is a great low - sustentation flowering perennial for gardens and mostly requires little ongoing care .

However , one authoritative job is dividing a mature plant life .

watering young astilbe plant growing outside in a garden bed between two rocks

divide ripe Astilbes is crucial for prevent overcrowding , which can encourage the fungal disease powdery mold .

It is also the good and easiest way to obtain new Astilbe plants for your garden to expand your plant collection .

I would recommend that you divide ripe Astilbe every 3 - 4 years in spring .

digging around the roots of a young astilbe plant with a blue watering can on the soil next to it

To do so , you should :

1) Water The Existing Plant

Once you have identify a mature flora for division , your goal is to make it into several different plants while minimising stress to the works , and invalidate transplantation shock .

Undertaking this task in spring is good , as this period tender the good environmental conditions for the process to go smoothly .

you could also ensure that the process run low swimmingly by undertake the line of work a sidereal day or two after it has rained , or by watering well a day or so before you do the job .

downward pressure shown on a spade being used to split a plant with spiked foliage and visible roots

In dampish soil , the plants will be healthy , and roots will be easier to liberate from the growing spiritualist .

2) Dig Around To Free The Roots

Take a garden spade and carefully dig around the flora to free the root .

ensure that you grok into the dirt at a sufficient distance , so you do not damage or reduce the roots and can hook the whole glob intact from the soil .

3) Lift The Plant

Now , once you have freed the roots from the surrounding soil , gently lift the plant up out of the soil or out of the pot in which it was previously grow in a container garden .

4) Shake Off Excess Soil

shake off the plant life gently to get off cock-a-hoop clumps of soil .

This should make it a short easier to see the roots .

Check over the roots carefully to ensure that the plant is healthy and that the roots show no signs of damage or disease .

someone digging a hole in a garden bed between two rocks with a young potted astilbe plant ready to be planted out

5) Divide Into Sections

Next , if the clump is not easily divided into sections by hand , place the plant on the primer and cut it down from above with a penetrative spade to divide the matured plant into incision .

While the image below does n’t specifically show an Astilbe plant , hopefully it illustrates how a nigra can be used to split plants in effect :

commonly , mature Astilbe can be divided into between 4 - 6 department , though you’re able to observe the plant life to see where it would most course divide , and create a number of divisions that feel correct to you .

hands shown firming the soil around an astilbe plant that has been freshly planted

The cardinal thing to remember is that each division should have a healthy part of roots , as well as a portion of above - primer increment .

6) Replant As Soon As Possible

Next , you should take your bare root Astilbe divisions and replant them in the ground or in suitable container as soon as potential .

The cardinal thing to insure is that the beginning do not dry out .

Remember that Astilbe need to be placed in partial shade .

It can grow in cryptical shade but will not blossom as well .

Whichever site is opt , check that that the soil is rich and prolific , with plenty of constitutive matter and sufficient wet .

essay planting Astilbe withHostas , Heucheras , fern , Trilliums , Primulasand Ligularias , and other industrial plant which like exchangeable growing experimental condition .