Early "black" buds open to deep purple blooms.


Polarnacht Rhododendron

1-Quart
Item # 49147
$17.95
Buy 3+ at $15.95 ea
Buy 6+ at $14.95 ea
Item is sold out.

Rhododendron 'Polarnacht'

Almost twice as wide as it is high!

Living up to the German roots of its name, this unique shrub's flower buds are such a rich dark purple that they look almost as dark as "nacht" or "night." The buds arrive early, and once they're open, the deep purple, ruffled blooms with spotted red throats, which appear in trusses of 12-14, are set artistically against the clean, dark green, evergreen foliage. The foliage is resistant to purple foliage leaf spot, a trait that is difficult to come by and which will make 'Polarnacht' very popular to Zone 6!

'Polarnacht' matures into a compact habit that's almost twice as wide as it is high, reaching 3'x6' in around 10 years. Combine rich mid- to late-season color with ease of care, and you have a variety that's sure to be popular with both seasoned Rhododendron growers and newcomers alike. Full sun only in zones 5 and 6. Shade in zones 7 and 8. Zones 5-8.

Genus Rhododendron
Variety 'Polarnacht'
Item Form 1-Quart
Zone 5 - 8
Bloom Season Late Spring - Early Summer
Plant Height 3 ft
Plant Width 6 ft
Light Requirements Full Sun, Part Shade
Restrictions Guam, Virgin Islands, Canada, Hawaii, Puerto Rico
Azaleas and Rhododendrons have been interbred since the first plants were scooped out of the dirt, and for a while these "crossbreeds" were even referred to by some ghastly name — Azaleodendrons or the like.

The old rule of thumb used to be that Azaleas are deciduous and Rhododendrons evergreen, but if that was ever true, it isn't anymore.

The differences between the two are slight, so slight in fact that botanists do not break them into the two groups that gardeners have come to know. Rhododendrons have 10 stamens per flower, while Azaleas have only five. While both can be deciduous, that trait is typically seen more in Azaleas than Rhododendrons. The shape of the leaves is often another indicator, with larger, paddle-shaped leaves typical of Rhododendrons, Azaleas often have smaller, elliptical leaves and trumpet, or tubular-shaped flowers at the ends of the shoots.

Shop All Rhododendrons & Azales

Rhododendron

Planting:

Spacing will depend upon ultimate height and spread of the variety or species you’ve chosen. A cool, moisture-retentive, acid soil (pH 4.5 to 6.5), particularly one that contains a high percentage of organic matter to hold moisture, is best.

The location should, in addition, be protected against drying winds and winter afternoon sun. Rhododendrons are shallow rooted and should not be planted too deep: the heavier the soil, the shallower the planting. Do not fertilize at planting time.


Maintenance:

Keep plants well-watered, even in dry periods in the fall – a coarse mulch, 2 to 3 inches deep, to retain moisture and keep the soil temperatures cool, is beneficial. This will also keep down weeds, eliminating the need to cultivate, which could pose a danger to shallow roots. Spent flowers should be removed.


Zones:

Zones various

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