Cumulus Serviceberry Tree
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Cumulus Serviceberry Tree
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Growth Facts

Cumulus Serviceberry

Amelanchier laevis 'Cumulus'
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Cumulus Serviceberry is what we at Bower & Branch call a “window tree.” You’ll want to have this one right outside your window so you won’t miss a minute of the show. In early spring, the aptly named Cumulus will treat you to a cloudlike display of delicate white flowers that sparkle in the sunshine. In summer, the blossoms will have transformed into plump purple-black berries, and songbirds will swoop in for an easy meal. In autumn, the show will continue with ravishing fall foliage that ranges from golden-orange to russet-red. Each season will bring a new act to the stage, and the performance will only get better with each passing year!

Growth Facts

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The Story

Serviceberry is one of those plants that is right under your nose, and you don’t even know it. There are species native to every state in the U.S. except Hawaii, yet few people are familiar with any of them. Most Serviceberries are large suckering shrubs or small multi-stemmed trees. Many years ago, William Flemer, III of Princeton Nurseries in New Jersey set out to breed a Serviceberry that didn’t sucker and was more treelike than existing ones. He came up with Cumulus, which he found to not only sucker less and grow in a more upright manner than other selections, but to also grow faster and resist snow and ice loads better with its strong, thick branches. He patented the tree in 1972.

The Details

The birds are fond of the sweet berries of Cumulus Serviceberry, but you may want to keep the fruits for yourself. They taste a little like blueberries, and like blueberries they’re packed with healthy antioxidants. Try them on your morning cereal or use them in pies, pancakes, preserves, muffins, or smoothies.

How to Grow

Fall color on the Cumulus Serviceberry will be most intense in full sun, but the foliage quality will be best if the tree receives some shade during the hottest part of the day. The soil should be enriched with organic matter, moist but well drained. A generous layer of wood chips or shredded bark mulch will help to hold in moisture and moderate temperatures in the root zone. Irrigate with the Bower & Branch Elements™ Watering System and feed with Elements™ Fertilizer to get your tree off to a good start. Prune out suckers promptly if they do appear and keep trimmers and other lawn equipment away from the trunk, as the bark of Cumulus—like all Serviceberries—is thin and vulnerable to damage.

Size Guide

Size Guide Scale


Size: B

Size B

This graphic shows the approximate size and form of the Tree you are viewing.

Size B Trees:

8-10' Tall. Grown in our #15 tree container. Well developed branching structure and will improve your landscape immediately.

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Cumulus Serviceberry Tree