
American Mountain Ash
Also known as
American mountain-ash and rowan
Taxonomy
Sorbus decora
Sorbus
Rosaceae
Rosales

How to care for American Mountain Ash

How often to water your American Mountain Ash

every 9
American Mountain Ash 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.
Water 0.5 cups every
9

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 American Mountain Ash in your home

a window
American Mountain Ash love being close to bright, sunny windows 😎.
Place it less than 1ft from a south-facing window to maximize the potential for growth.
American Mountain Ash does not tolerate low-light 🚫.
Select your region to see how the current weather in your area affects the placement of American Mountain Ash in your home 🏡.

How to fertilize American Mountain Ash

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 American Mountain Ash after it doubles in size or once a year—whichever comes first.

American Mountain Ash is generally easy to care for, though some plant parents report facing challenges with growing it. Check out the reviews down below to read more about their experiences!
Water Needs
American Mountain Ash prefers for the soil to dry out between waterings and should be watered regularly. Use our water calculator to personalize watering recommendations to your environment or download Greg for more advanced recommendations for all of your plants.
Sunlight Needs
American Mountain Ash requires abundant, bright and direct light. Place it less than one foot from a window to ensure it receives enough light to survive 💪. Select your region to see how the current weather in your area affects the placement in your home 🏡.
Toxicity
Greg does not have confirmed data on this plant’s toxicity. If you, a family member, or a pet consumes plant material of unknown toxicity, it’s always best to consult a medical professional.
If you or someone else ingested this plant, call Poison Control at US (800) 222-1222. If a pet consumed this plant, contact your veterinarian or the ASPCA at US (888) 426-4435.
Soil
American Mountain Ash does best in well-draining soil. A good soil will contain lots of organic matter such as coco coir as well as perlite or vermiculite to help with drainage. Adding a handful of perlite to regular store-bought potting soil should do the trick!
Fertilizer
American Mountain Ash grows very slowly and doesn’t require added fertilizer. Replacing your plant’s potting soil once a year should provide them with more than enough nutrition. Remember, plants get their energy from sunlight, not fertilizer!
Growth Pattern
American Mountain Ash grows along the ground and sends out shoots which will spread across the soil.
Growing Outdoors
USDA Hardiness Zone
American Mountain Ash can be grown outdoors in USDA Hardiness Zones 2a-6b. Find your local hardiness zone here.
Propagation
The seeds of American Mountain Ash can be used to grow new plants! After your plant flowers, any seeds that formed can be collected and germinated in potting soil.
Care Summary for American Mountain Ash
American Mountain Ash
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.
