Alert: Limited Online Availability

Now that summer is here, we have limited our stock for online purchase. Find Monrovia plants at your local garden center. Pre-order for 2023 will be available later this year. ×

We no longer grow this plant.
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Raise The Roof® Slam Dunk Rhododendron

Rhododendron x 'Slam Dunk' (H-1)

SKU
01974
Trusses of frilly, rose-colored flowers with a burgundy blotch provide a spectacular display. A vigorous, cold-hardy hybrid developed at the University of Connecticut as part of their Raise the Roof® series named to salute their championship basketball teams. A very effective accent or low, informal hedge. Evergreen.
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4-8

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Partial sun

Water regularly - weekly, or more often in extreme heat.

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More Information
Botanical Pronunciationroh-doh-DEN-dron
Average Size at MaturityModerate growing; reaches 5 to 7 ft. tall and wide.
Bloom TimeSpring
Deciduous/ EvergreenEvergreen
Flower AttributeShowy Flowers
Flower ColorPink
Foliage ColorGreen
Garden StyleAsian/Zen, Cottage
Growth RateModerate
Landscape UseBorder, Hedge, Privacy Screen, Woodland Garden, Urban Garden
Light NeedsPartial sun
Soil NeedsAzalea & Camellia Food
Special FeatureEasy Care, Extreme Cold Hardiness, Gift Plant, Year-round Interest, Tolerates Urban Pollution
Water NeedsModerate
Watering NeedsWater regularly - weekly, or more often in extreme heat.
Companion PlantsHydrangea (Hydrangea); Holly (Ilex); Astilbe (Astilbe); Bleeding Heart (Dicentra); Coral Bells (Heuchera)

Provide organically rich, well-drained, acidic soil. Apply a thick layer of mulch to keep roots cool, avoiding the crown. Avoid harsh afternoon sun exposures and shelter from drying winter winds. Water deeply and regularly during the first growing season to establish an extensive root system. Feed with an acid fertilizer after bloom.

This Plant's Growing Zones: 4-8

USDA Cold Hardiness Zone Map

Your USDA Cold Hardiness Zone:

Your climate may be too cold for this plant