Protected Series:
Zone: 4
NOVA ZEMBLA CATAWBA RHODODENDRON
Rhododendron catawbiense 'Nova Zembla' is commonly referred to as Nova Zembla Rhododendron. It is a Catawba hybrid, specially bred to withstand harsh climates. Nova Zembla features a compact, upright, broadleaf evergreen habit with showy, rounded trusses of bright red flowers in mid to late spring. Its darker red spots may fade to deep pink in bright sun, providing more color depth. Its leaves are thick, elliptical and dark green.
Nova Zembla Rhododendron is quite cold resistant and heat tolerant and thrives in partial shade in moist, acidic, humusy, well-drained soils. Morning sun with afternoon shade is ideal. It is perfect for borders, hedges or foundation plantings. Any pruning should be done right after flowering.
| PLANT | SIZE | TYPE | GALENA | ADD'L | DIG | SOON |
| RHODODENDRON CAT NOVA ZEMBLA | con 3 | 15-18 in | 2 | 0 | 0 | 0 |
| RHODODENDRON CAT NOVA ZEMBLA | con 3 | 18-24 in | 20 | 0 | 0 | 0 |
| RHODODENDRON CAT NOVA ZEMBLA | con 5 | 18-24 in | 54 | 0 | 0 | 0 |
| RHODODENDRON CAT NOVA ZEMBLA | con 5 | 24-30 in | 12 | 0 | 0 | 0 |
| RHODODENDRON CAT NOVA ZEMBLA | con 10 | 30-36 in | 29 | 0 | 0 | 0 |
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To help this plant settle in and thrive, we recommend these standard planting practices: Plant in rich, moist, acidic, and well-draining soil, selecting a location that provides partial shade or filtered light to protect the foliage from harsh, direct sun. These shallow-rooted shrubs require consistent moisture to remain healthy, especially during the first growing season until they are fully established. Prune immediately after the flowering period concludes, as new buds for the next year are set shortly after blossoms fade; removing spent blooms and light tip-pruning encourages a fuller, more vigorous habit. Apply a generous layer of organic mulch around the root zone to conserve moisture and regulate soil temperature, ensuring the material remains a few inches away from the crown to prevent stem rot.
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