Protected Series:
Zone: 3
MT ST HELENS® PLUM
The Mount St. Helens® Plum is a deciduous, very hardy, ornamental plum tree known for its fast growth and vibrant deep purple foliage. It has a upright, rounded form and is ideal for growing in small spaces. It is tolerant of a wide range of harsh conditions and thrives in full sun and evenly moist soils (not standing water). It is a great choice for city environments due to its tolerance of urban pollution, however, be mindful of its midsummer purple drupes for possible sidewalk plantings.
| PLANT | SIZE | TYPE | GALENA | ADD'L | DIG | SOON |
| PRUNUS CER MT ST HELENS | 1.75 in | 0 | 0 | 2 | 0 | |
| PRUNUS CER MT ST HELENS | 2 in | 20 | 0 | 6 | 0 | |
| PRUNUS CER MT ST HELENS | 2.5 in | 15 | 0 | 0 | 0 | |
| PRUNUS CER MT ST HELENS | con 20 | 1.5 in | 15 | 0 | 0 | 0 |
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To help this plant settle in and thrive, we recommend these standard planting practices: Plant in well-draining soil with a slightly acidic pH. Water regularly, but avoid overwatering. Mulch around the base to retain moisture and suppress weeds. Fertilize annually with a balanced fertilizer. Prune in late winter or early spring to maintain shape and promote healthy growth.
Available cultivars in this genus:
