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Hydrangea macrophylla Renate Steiniger

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Traditional large blue flowered variety

This is a dense garden shrub with thick green leaves, and vivid blue flowers that blossom in summer and autumn. The large round flower heads add a quaint charm to any garden that has predominantly green foliage.

Where?

It grows well in areas with light shade and well-drained soil and appreciates being kept well watered in the summer. It can also be kept in pots.

How?

Produces the best blue flowers in soils which are neutral to acid pH so dig in a little ericaceous compost when planting. Flowers are long lasting. It should be pruned back by approximately one third annually after flowering.

The species traces its origins to China and Japan. Its fermented leaves are used in the making of a Japanese beverage called Amacha.

Plant details


In depth plant information

Property Value
Plant type Ornamental shrub
Flower colour
Foliage colour
Typically available April - September
Season of interest Summer
Flowering March - August
Evergreen No
Plant height 100 cm - 150 cm
Plant width 120 cm - 150 cm
Fragrant flowers No
Hazardous All parts highly toxic if eaten,May cause an allergic skin reaction
Attracts bees Yes
Attracts butterflies Yes
Plant height in 5 years 80 cm
Hardiness zone (?) H3

Will perform best in these conditions

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

Water the plant in its pot thoroughly before planting – give it a good soaking. Prepare the area by digging a hole twice the size of the pot. Dig compost into the base of the hole. 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 Patio container, Flower border and beds, Cottage garden, Informal garden, City garden, Courtyard garden

Typically available

From April to September