Cassiope mertensiana is a species of flowering plant known by the common names western moss heather and white mountain heather. This heather is native to subalpine areas of western North America, from Alaska to the mountains of California. It is a small, branching shrub which forms patches along the ground and in rocky crevices.
Western moss heather is highly disease-resistant and generally not prone to illnesses. As for care, this plant is fairly low-maintenance. When grown outdoors it needs minimal watering, and larger plants usually do not require pruning. However, smaller plants should be pruned after they finish flowering. Western moss heather is suitable for anyone with outdoor space, such as a garden or deck, and does not demand extensive care experience.
How to keep Cassiope Mertensiana.
Light
Western moss heather naturally occurs in places like forest understories or rocky sites, where shade is present. It favors partial sun but can tolerate full sun or full shade, showing that it is hardy and adaptable.
Water
Western moss heather thrives in well-drained soils and requires moderate moisture, doing best with watering every 2 to 3 weeks. As a hardy evergreen plant, it flourishes outdoors in cool temperatures similar to its native alpine habitats, which enhances its resilience to different climates.
Fertilizer
Timing is important when fertilizing Western moss heather. Apply fertilizer in early spring and continue once a month through early summer. The fertilizer encourages attractive blooms and supplies energy during both dormant periods and active growth.
Pruning
Western moss heather features low-growing, evergreen foliage and bell-shaped flowers. To improve air circulation and encourage new growth, prune it after it has finished flowering in late spring. Minimal pruning involves shaping the plant and removing any dead material, which promotes denser growth and enhances the plant's overall vigor.
Botanical profile.
- Plant Type
- Shrub
- Life Cycle
- Perennial
- Genus
- Cassiope
- Family
- Ericaceae
- Hardiness Zone
- 3-7
- Mature Height
- 10 cm to 30 cm
- Mature Spread
- 10 cm to 30 cm
- Leaf Color
- Dark Green
- Leaf Type
- Evergreen
- Flower Color
- White
- Flower Size
- 0.76 cm to 1.27 cm
- Bloom Time
- Early summer, Mid summer
- Planting Time
- Spring, Summer, Autumn
- Harvest Time
- Late summer, Early fall
Other names.
