Wrinkles

What is wrong with my yarrow?

The yarrow is highly susceptible to fungal infections like powdery mildew or mold. This disease causes a white or gray powder-like substance to coat the flowers which ultimately destroy the plant.

How do you revive a yarrow plant?

Cutting back yarrow will help maintain plant health and vitality, as it will encourage new growth with stronger stems with the potential for additional fall blooms. Prune back to the basal leaves again in late fall or early winter. The basal leaves will help protect the yarrow plant during the winter.

How can I help yarrow?

If you grow yarrow in too-rich soil, the plants may require staking due to overenthusiastic growth. To keep it from growing too tall, choose a site with average to poor soil and supplement it with a bit of compost to give the plants a good start.

Can you over water yarrow?

Yarrow makes an excellent xeriscape plant because it has low water requirements, even when actively growing. Established plants seldom need supplemental watering. If the soil is kept too moist, yarrow will struggle and the plant will often fall over.

Why is my yarrow turning white?

When the flowers are past their prime and go to seed and dry out, they typically bleach out and turn white with age. Regular deadheading would prevent that from being seen in the garden. Sometimes too the weather can cause poor color quality, as when night temperatures are above about 70 degrees.

Why is my yarrow plant dying?

The yarrow plant is very drought-tolerant and does not need to be watered regularly. In fact, too much watering can cause stem rot. Only water if the soil is dry or if the plant appears wilting or brown, due to insufficient water. Young plants and seedlings will need regular watering.

How often should I water yarrow?

Water yarrow plants only after the soil has completely dried, about once per week during spring and summer. Reduce the frequency of watering during fall and winter to once every two weeks, or any time the top 2 to 3 inches of soil are dry to the touch.

Why is my yarrow dying?

The yarrow plant is very drought-tolerant and does not need to be watered regularly. In fact, too much watering can cause stem rot. Only water if the soil is dry or if the plant appears wilting or brown, due to insufficient water. Young plants and seedlings will need regular watering.