The Botanical Diary
G
Shrubs

Grey Spiraea

Spiraea × cinerea

The flower clusters cover the branches so densely that the foliage is completely hidden during flowering.

Regions
all regions
Colour
White
Grey Spiraea
🌸
Bloom
April–May
☀️
Light
Full sun / напівтінь
💧
Watering
Moderate
📏
Height
1–1,5 m
❄️
Hardiness
Zone 4а

Greyleaf Spiraea is a charming spring shrub that brings the first whispers of warmth to many gardeners' hearts. This hybrid arose from crossing several spiraea species and became a beloved resident of European gardens back in the nineteenth century. The plant spread across gardens thanks to its undemanding nature and spectacular flowering, adorning the garden when most spring plants are still dormant.

The branches of greyleaf spiraea in April and May simply burst with dense clusters of tiny white flowers. The flower clusters cover the stems so thickly that the foliage is completely hidden beneath this fairytale snow of blooms—a characteristic that earned the plant its distinctive name. Several garden forms exist, differing in flowering intensity and leaf tones, yet all retain that same magical spring character.

This spiraea is simply a treasure for compositions with forsythia, weigela, and mock orange. They blend beautifully in terms of flowering time and create a genuine spring festival of colour. The shrub is so adaptable that it will fit equally well in a small urban garden or spacious park setting, in formal designs or naturalistic landscapes.

If you're seeking a plant that won't cause trouble but will bring maximum joy during the most beautiful season of the year, greyleaf spiraea is exactly what you need. Plant it near your entrance path so that each spring morning greets you with this white, miraculous fountain of flowers.

Location & soil

Grey Spiraea — planting & location

LightFull sun / напівтінь
Soil typeany, рН 6–7,5
Planting timeApril або October
Plant spacing0,8–1,2 m
Planting depthAt root collar level

Spring-flowering with delicate, fine blooms appearing before the foliage

Water needs

How to water Grey Spiraea

IntensityModerate
FrequencyEvery 14 days (в)
Volume10–12
MethodAt the base

Drought-tolerant once established

Annual care

Fertilizing and pruning: Grey Spiraea

Spring fertilizingMineral complex fertiliser (April)
Summer fertilizingNo feeding required
Autumn fertilizingNo feeding required
Pruning timeAfter flowering
Pruning typeSanitary

Remove spent branches and one-third of old stems

Cold hardiness

Grey Spiraea — winter hardiness & care

Hardiness zoneZone 4а
Winter coverNot required
Cover timing
Plant protection

Diseases and pests of Grey Spiraea

Garden design

What grows well with Grey Spiraea?

Forsythia, вейгела, чубушник