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Rhododendron Grumpy

Yakushimanum Rhododendron

Good for a shady position

This spreading evergreen shrub has dense dark green leaves and orange buds that open to form yellowish-white trumpet shaped flowers, tinged pink.


This Yakushimanum rhododendron can be planted in beds, borders or on a slope and looks great in a cottage garden or a container. Grow in a sheltered spot and protect from severe frost. It is happy in full sun or partial shade.


This plant loves any type of soil that is acidic, so for best results use a good amount of ericaceous compost when planting.

Rhododendron Grumpy is one of the ‘Seven Dwarves’ series of rhododendrons.

Plant details

In depth plant information

Property Value
Plant type Rhododendron
Flower colour
Foliage colour
Typically available September - June
Season of interest Spring
Flowering March - May
Evergreen Yes
Plant height 125 cm - 150 cm
Plant width 125 cm - 150 cm
Fragrant flowers No
Attracts bees No
Attracts butterflies No
Plant height in 5 years 90 cm
Hardiness zone (?) H4

Will perform best in these conditions

Property Value
Soil type Clay, Loam, Sand
Light exposure Part shade
Soil drainage Well drained, Medium
Planting instructions

Water the plant in its pot thoroughly before planting – give it a good soaking. If planting in a bed or border test the soil to establish its pH. If the soil is too alkali it is best to grow your plant in a container. In either case prepare the area by digging a hole twice the size of the pot. Dig ericaceous compost into the base of the hole, if planting in a container use ericaceous compost to fill the pot. Remove the pot and position the plant in the hole, with the top of the rootball about level with the surrounding soil. Refill the planting hole with a mixture of garden soil and compost, firming as you go. Water in well and keep well watered during the plant's first year.

Planting site Cottage garden, Informal garden, Banks and slopes, Flower border and beds

Typically available

From September to June