Heuchera is a genus of perennial plants grown as garden ornamentals for their bloom as well as their distinctively colored and patterned foliage. Heuchera benefits from rich, nutrient-laden soil and from light annual applications of a slow- or fast-release synthetic fertilizer to encourage lush foliage and bloom.
Enrich the growing soil when you plant Heuchera or with annual topdressings of organic material to boost soil fertility naturally. Use good quality compost or well aged livestock manure or a combination of the two. Apply a few pounds for each plant, each year or two. On poor soils, top dress every year or every other year on moderate quality soils.
Apply a slow- or fast-release synthetic fertilizer two or three times a year, according to the product label dosing directions and your climate. Look for a product with a guaranteed analysis of 5-10-5 or a similar high-phosphorous ratio to maximize bloom performance. Cast the fertilizer around the base of the Heuchera plant, several inches away from the main stems and nestle into the top 1/2 inch of soil.
Water in the soil amendment top dressings and fertilizer after each application. Drench the soil at least 6 inches down. Keep the soil evenly moist but not consistently wet to prevent root rot.
Things You Will Need
- Compost and aged manure
- Slow- or fast-release fertilizer 5-10-5
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