Should You Fertilize Spirea?
Spireas Are Not Heavy Feeders, So, After They Have Been in Place for a Season, Start to Fertilize Them Once Every Year in the Fall After Their Leaves Fall or...
Spireas are not heavy feeders, so, after they have been in place for a season, start to fertilize them once every year in the fall after their leaves fall or early spring, which is better in the South. Sprinkle some all-purpose slow-acting granular fertilizer on the soil over their roots for the rain to soak in.
What fertilizer is best for spirea?
Most established plants grow best if fertilized with a light hand. Here at the Farm, we fertilize our specimen trees and shrubs just once -- in early spring -- with a light but even coverage of a balanced, granular fertilizer (such 5-10-10, 10-10-10, or an organic fertilizer).
How do you fertilize spirea?
- Determine where the root zone is by multiplying the length from the trunk to the ends of the branches by three. ...
- Measure the length and width of the root zone. ...
- Sprinkle fertilizer around the root zone evenly. ...
- Water the soil with about 1/4 to 1/2 inch of water after the fertilizer application.
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