How to Grow False Spiraea (Astilbe)

Choosing Astilbe
Steps:
1.Shop for astilbe in spring and early summer. Plants are usually sold in 6-inch and gallon-sized containers at nurseries.
2.Choose healthy plants with many stems growing from the soil. 
Planting Astilbe

Steps:
3.Plant astilbe in a shady place in the garden.
4.Loosen a pot-bound plant by dragging a hand cultivator - a tool that looks like a claw - down the sides of the root ball.
5.Add a light application of organic fertilizer to the planting hole.
6.Set plants no deeper than they were growing in the container.
7.Place plants 2 feet apart.
8.Mulch by adding a 2- to 3-inch layer of compost around the plant.
9.Water well after planting - until the soil is completely wet. 
Caring for Astilbe

Steps:
10.Cut old stems to ground level in early spring. Use bypass pruners for this task.
11.Make sure the area does not dry out; lay a soaker or leaky hose around the plants.
12.Add a light application of organic fertilizer to the top of the soil in early spring; follow directions on the package.
13.Water deeply - until the soil is saturated - once a week in dry summers.
14.Mulch in spring with a 2- to 3-inch layer of compost around but not on top of the plant. 
Overall Tips:
Astilbe looks wonderful planted in groups of 3 to 5 plants.
This plant grows in zones 5 through 8 of the U.S.D.A. Plant Hardiness Zone Map.   


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