Plant Care Ashy Hydrangea

Ashy Hydrangea

About Ashy Hydrangea

Ashy Hydrangea is a relatively rare houseplant 🌿 that is easy to grow and needs regular watering to thrive. They do best in long-lasting, direct light ☀️ and should be less than 1 foot from a window.

Ashy Hydrangea likes soil that is well draining. Your plant shouldn't need added fertilizers if you repot each time it doubles in size.

Ashy Hydrangea belongs to the Hydrangea genus, and is native to North America.

⚠️ Ashy Hydrangea is not safe to consume. If you, a family member, or a pet has ingested any amount of plant material contact Poison Control, US (800) 222-1222, or your veterinarian. If you have children, cats, or dogs in the home, we suggest keeping this plant out of reach.


Hydrangea arborescens

Also known as

Ashy hydrangea, Silverleaf hydrangea, Smooth hydrangea, 'annabelle', Wild hydrangea and Sevenbark

How to care for Ashy Hydrangea


How often to water your Ashy Hydrangea

Water needs for Ashy Hydrangea
0.5 cups
every 9

Ashy Hydrangea needs 0.5 cups of water every 9 when it doesn’t get direct sunlight and is potted in a 5" pot.

Use our water calculator to personalize watering recommendations to your environment or download Greg for more advanced recommendations for all of your plants.

Calculate water needs of Ashy Hydrangea

Water 0.5 cups every

Does your plant get direct sunlight?

Select the pot size


Check the growing potential in your area

A plant's growing potential is determined from its location, the time of year, and current local weather.

Select a city to check sunlight intensity

Finding light for Ashy Hydrangea in your home

Light needs and placement for plant Ashy Hydrangea: 1ft from a window
1ft or less from
a window

Ashy Hydrangea love being close to bright, sunny windows 😎.

Place it less than 1ft from a south-facing window to maximize the potential for growth.

Ashy Hydrangea does not tolerate low-light 🚫.

Select your region to see how the current weather in your area affects the placement of Ashy Hydrangea in your home 🏡.


How to fertilize Ashy Hydrangea

Nutrient, fertilizer, and repotting needs for Ashy Hydrangea: repot after 2X growth

Most potting soils come with ample nutrients which plants use to produce new growth.

By the time your plant has depleted the nutrients in its soil it’s likely grown enough to need a larger pot anyway.

To replenish this plant's nutrients, repot your Ashy Hydrangea after it doubles in size or once a year—whichever comes first.

Difficulty Level

Ashy Hydrangea is generally considered an easy-to-care-for plant and makes a great choice for beginners!

Water Needs
Sunlight Needs
Native Region
Growth Pattern
Growing Outdoors

Care Summary for Ashy Hydrangea

Ashy Hydrangea

Ashy Hydrangea

Greg recommends:


0.5 cups every 9 days


< 1ft from a window


Repot after 2x growth

Based on the 4” pot your plant is in, and that it doesn’t get direct sunlight.

Trending in your area

Similar to Ashy Hydrangea

Discover rare plants

This plant is popular in