Woody > Rhododendron > Rhododendron 'Ramapo'
Rhododendron
'Ramapo'
Ramapo Rhododendron
Origin: Introduced by Guy Nearing, New Jersey in 1982.
Mike's
Opinion
"
Rhododendron 'Ramapo' is a dense, dwarf evergreen with outstanding blue-green colour. The leaves contrast well with the purple-blue flowers.
Michael Pascoe, NDP., ODH., CLT., MSc. (Plant Conservation)
"
| Family |
| Ericaceae |
| Genus |
| Rhododendron |
| Cultivar |
| 'Ramapo' |
| Category |
| Woody |
| Type |
| Shrub (evergreen) |
| Pronunciation |
| USDA Hardiness Zone |
| 6b - 7a |
| Canadian Hardiness Zone |
| 6 |
| RHS Hardiness Zone |
| H6 |
| Temperature (°C) |
| -32 |
| Temperature (°F) |
| -25 |
| Height |
| 1 m |
| Spread |
| 1.5 m |
Photographs
Awards
Description and Growing Information
Flowering Period
| General Description |
| Rhododendron 'Ramapo' is a dense-growing evergreen shrub that has clusters of purple-blue flowers which are an excellent contrast to the blue-green foliage. Ramapo is very effective when a smaller accent plant is needed. |
| Landscape |
| Border, container, hedge, rock garden, woodland garden, mass planting, grouping, specimen plant. |
| Cultivation |
| Rhododendron 'Ramapo' prefers high organic, well-drained, acidic soils. Plant in full sun to partial shade. Make sure to mulch well to conserve moisture. |
| Shape |
| Mounding, round, compact. |
| Growth |
| Medium |
| ID Characteristic |
| 'Ramapo' is a dwarf, compact and hardy variety with bright purple-blue flowers, which are about 2.5 cm long. The foliage is a dense blue green colour and about 5 - 7 cm in length. 'Ramapo' attracts butterflies and is deer resistant. |
| Pests |
| Chlorosis, leaf spot, borer damage, salt burn, die back, root rot, spider mites, lacebugs, black vine weevil. |
| Habitat |
| Horticultural origin. |
| Bark/Stem Description |
| The young shoots of 'Ramapo' have a nice red-cinnamon colour providing year round interest. Old bark is grey in colour. |
| Flower/Leaf Bud Description |
| The leaf buds on 'Ramapo' are right at the base of the flower clusters. Once the main bud opens up into a cluster of lavender buds, then each one of those buds opens again into its own flower. Rhododendrons set their buds on old wood. |
| Leaf Description |
| The leaves are 5 -7 cm in length and are dark green in colour. The leaves are naturally circular and when bruised, give off a pine aroma. The foliage turns from a frosty blue, to blue-green, and finally to bronze-green with the seasons. |
| Flower Description |
| The flower on Rhododendron 'Ramapo' is about 2.5 cm long, purple-blue in colour, and are held in clusters on the plant in the Spring. Ramapo flowers from April - May. |
| Fruit Description |
| Rhododendron fruit is a red-brown, elongated capsule that is about 1.5 cm long. Inside the capsule there are many tiny seeds that are in a long-stemmed cluster. Fruit matures in the autumn. |
| Colour Description |
| 'Ramapo' has changing foliage colour from blue, to green, to bronze with the seasons. The flowers on 'Ramapo' are an astounding blue-purple colour in the spring. The new bark is a red-cinnamon colour, and the old bark is grey in colour. |
| Texture Description |
| Smooth leaves with delicate purple spring flowers. |
| Propagation |
| By layering, grafting, and tissue culture. |
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