Oregon Cherry • Prunus emarginata
Growth Habit and Environment
Bitter cherry trees typically grow to heights ranging from 15 to 40 feet. It can grow as a single tree or form a thicket when suckers are allowed to grow from the roots. If injured or heavily damaged, it responds by sending up multiple new shoots from its roots. Bitter cherries are small drupes with a bitter flavor, as indicated by their name. The taste of the fruit deters direct human consumption, but the cherries serve as an essential food source for various wildlife species, contributing to the ecological balance in the region.
Seasonal Cycle
In late winter to early spring, usually around March to April in the Pacific Northwest, Bitter Cherry trees come alive with the emergence of brilliant, fragrant white blossoms. The buds begin to swell in early to mid-March, serving as a signal of the coming spring season.
Once pollinated, the flowers transform into small green fruit. This critical stage marks the beginning of the seed development process. As the summer progresses, usually from July to September, the green cherries gradually ripen and turn dark red to purple when they reach maturity. At this point, they become the recognizable bitter cherries, ready for wildlife consumption.
Planting Tips
Bitter cherry prefers well-drained soil and thrives in moist, low to mid-elevation forests. Select a planting site that receives partial shade to full sun. Ensure the site has good drainage, as bitter cherry does not tolerate waterlogged soil.
The best time to plant is in early fall or early spring. This allows the tree to establish its root system before the onset of summer heat or cold winter temperatures.
After planting, give the tree a thorough watering. Keep the soil consistently moist during the first year to help establish a strong root system. Once established, bitter cherry is relatively
drought-tolerant, but it still benefits from occasional watering during prolonged dry spells.
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