Summersweet
Botanical Name:
Clethra Alnifolia
Common Name:
Summersweet
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Clethra Alnifolia
Clethra alnifolia, commonly known as Summersweet or Sweet Pepper Bush, is a deciduous shrub that adds charm and fragrance to gardens. Reaching heights of 3 to 6 feet, it boasts visually pleasing and fragrant creamy-white to pink summer blossoms that attract pollinators. Its dark green, serrated leaves create an attractive backdrop, and in the fall, they turn to vibrant shades of yellow. This adaptable shrub thrives in moist, well-drained soil and is suitable for various garden settings, making it an attractive and ecologically valuable addition to outdoor spaces.
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Average Annual Low Temp (°F)
1
Below -50°F
2
-50°F to -40°F
3
-40°F to -30°F
4
-30°F to -20°F
5
-20°F to -10°F
6
-10°F to 0°F
7
0°F to 10°F
8
10°F to 20°F
9
20°F to 30°F
10
30°F to 40°F
11
40°F to 50°F
Zone 4, Zone 5, Zone 6, Zone 7, Zone 8, Zone 9
| Botanical Name | Clethra Alnifolia |
|---|---|
| Common Name | Summersweet |
| Family | Clethraceae |
| Foliage Type | Deciduous |
| Mature Height | 6-8 ft. |
| Mature Width | 3 - 5 ft. |
| Preferred Zones | Zone 4, Zone 5, Zone 6, Zone 7, Zone 8, Zone 9 |
| Bloom Time | July - August |
| Bloom Type | White / Silver Flower |
| Preferred Soil Type | Widely Adaptable |
| Sun Exposure | Full Sun |
| Growth Rate | Medium |
| Drought Tolerance | Medium |
