Hydrangeaceae
Jamesia americana var. macrocalyx
Jamesia americana var. macrocalyx var. macrocalyx
Also known as Jamesia macrocalyx, Edwinia macrocalyx
Flowering Plants · Native Plants · Trees & Shrubs · Waxflower · Native Shrub · Utah · Deciduous · Hydrangeaceae · White Flowers · Rocky Slope · Pollinator · Part Shade · Western Native
Waxflower is a hardy deciduous shrub native to Utah's rocky mountain slopes and thrives best in well-drained soil with partial shade. Water regularly during the growing season but avoid waterlogging, as this variety prefers consistently moist but not soggy conditions. Prune lightly after flowering to maintain shape and encourage healthy new growth.
Growing conditions
The details behind the basics
- Daily light
- 4 hours
- Watering
- Water deeply until soil is moist, then allow the top 2 inches to dry before watering again · Every 7-10 days
- Maintenance
- Moderate
- Soil
- loam
- Soil pH
- 7–8.5
- Temperature
- -20°F to 90°F
- Cycle
- Perennial
Hardiness
USDA 5a-9b
Form & growth
Mature size and habit
- Mature height
- 18 in – 3 ft
- Spread
- 2 ft
- Spacing
- 48 in apart
- Growth rate
- Moderate
- Root depth
- Medium
- Flowers
- White
- Foliage
- Green · Medium
Ecology & origin
Where it belongs and what it brings
- Native to
- Utah
- Attracts
- Bees, Butterflies
Sources: trefle, usda
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