Alert: Limited Online Availability

Now that fall 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. ×

Grandiflorum Catawba Rhododendron

Rhododendron catawbiense 'Grandiflorum' (H-1)

SKU
40557
Beautiful clusters of large, long-lasting, lilac-purple, trumpet-shaped flowers with lightly speckled throats on an attractive, vigorous evergreen shrub with dense, deep green foliage. Excellent as an accent or background shrub in a mixed border or foundation planting, en masse as a showy group planting, or as an informal hedge.
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4-8

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Partial sun

Keep soil moist, but not soggy.

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More Information
Botanical Pronunciationroh-doh-DEN-dron ka-taw-bee-EN-see
Average Size at MaturityModerate growing; reaches 5 to 6 ft. tall and wide.
Bloom TimeSpring
Deciduous/ EvergreenEvergreen
Flower AttributeShowy Flowers
Flower ColorPurple
Foliage ColorGreen
Garden StyleAsian/Zen, Cottage
Growth RateModerate
Landscape UseBorder, Hedge
Light NeedsPartial sun
Special FeatureEasy Care, North American Native Selection
Water NeedsModerate
Watering NeedsKeep soil moist, but not soggy.
Companion PlantsHydrangea (Hydrangea); Holly (Ilex); Astilbe (Astilbe); Bleeding Heart (Dicentra); Coral Bells (Heuchera)

Provide organically rich, acidic, well-drained soil with a thick layer of mulch to keep roots cool, avoiding the crown. Protect from harsh afternoon sun. Water deeply, regularly in first growing season to establish an extensive root system; once established, prefers evenly moist but not soggy soil. Apply an acid fertilizer after bloom.

This Plant's Growing Zones: 4-8

USDA Cold Hardiness Zone Map

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