What is wrong with my astilbe?

The most common cause of browning astilbe is poor conditions. Astilbe thrive in moist conditions with soil that drains well and partial shade. Make sure you water astilbe plants regularly and don’t let them get too much direct sunlight. Use mulch to keep water in the soil but avoid soggy soil.

Is my astilbe dying?

Astilbes begin to wilt, sometimes quickly, when they’re exposed to too much sun. The hot summer sun can also heat up and dry out the soil. Another symptom of too much sun is leaf scorching; the edges of the leaves may appear burnt or begin to shrivel.

Why are the leaves curling on my astilbe?

The edges of the leaves are brown and the leaves curling (as if the plant is subject to drought or excessive heat).

Can you over water astilbe?

Watering: Astilbe needs to be watered deeply every week, especially during periods of dry, summer weather. If allowed to dry out, the foliage will brown and the plant may even die. However, astilbe doesn’t like soggy soils, so over watering should be avoided. Fertilizing: Amend the soil at planting with compost.

Why are my astilbe leaves turning yellow?

Fusilarium wilt infects the tissue of astilbe plants. It causes wilt symptoms by restricting water flow. Symptoms include wilt on one side of the plant, leaves that are distorted and yellow, then turn brown, and eventually dry up. These drought-like symptoms occur from the wilt even if the plant is watered properly.

Why are my astilbe not growing?

Fertilizer – Astilbe plants are heavy feeders and may not bloom without adequate nutrition; this is a common reason for an astilbe not flowering.

Do you dead head astilbe?

Deadheading astilbe won’t encourage new flowers, so you should leave them in place through the fall. Eventually, the flowers will dry on the stalks but should stay in place. When winterizing astilbe plants, you can cut all the foliage off, leaving just a 3-inch (7.5 cm) stem above ground.

Should I cut back astilbe?

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.

How do you fertilize astilbe?

Astilbe plants need phosphorus to bloom, so choose a fertilizer with the makeup of 5-10-5 or 10-10-10. Rake the fertilizer into the soil two weeks before you plant, or sprinkle a few granules onto the soil after the astilbe has been planted. Once the plant is established, fertilize every spring when the soil is moist.

What do you feed astilbe?

Why is my astilbe drooping?

Problems Growing Astilbe Too much sun can cause wilting or leaf scorching. Overall, this perennial is generally healthy.

Should I cut down astilbe in the fall?