Flowers ranging from white to purple-pink open in spring and last well into summer on this hardy deciduous shrub of 3 to 10 feet. Deutzia earns its place as a hedge, a standalone or in shrub beds, and it survives -4°F; give it full sun and rich, well-drained soil and it flowers at its best.
| Name | Deutzia |
|---|---|
| Family | Hydrangeaceae |
| Type | shrub |
| Height | 3 to 10 feet (1 to 3 m) |
| Exposure | full sun |
| Soil | ordinary |
| Foliage | deciduous |
| Flowering | late spring to late summer |
Proper planting and care enhance growth and blooming of your deutzia.
For your deutzia, it is best to plant it in fall to favor root development before winter and renewed growth in spring.
You can also plant deutzia in pots outside of this period as long as you avoid both below-freezing temperatures and hot weather.
On heavy clay, work in coarse grit or plant on a slight mound, since deutzia prefers well-drained soil and dislikes waterlogging, and this keeps its roots from sitting in winter wet.
Deutzia is quite easily multiplied by preparing cuttings from its semi-hardened sprigs, it is the simplest propagation method.
Prepare deutzia cuttings at the end of summer, on soft-wood growth, that is, wood that is not hard yet, nor has grown brown bark, but is in the process of hardening.
Protect your cuttings before winter
Transplant in spring
Once settled in, deutzia is a plant that needs little care. It does, however, require some attention both for pruning and for watering, if you want to enhance its blooming and growth.
Regular watering during the year of planting is recommended to speed root development up.
Each task on a deutzia has its own moment, and getting the timing right is what decides how well the shrub settles in and flowers. Here is what to do, when, and what it achieves.
| Task | When | What it achieves |
|---|---|---|
| Planting in the ground | Fall | Roots develop before winter, growth restarts in spring |
| Planting in pots | Any time outside frost and heat | Container planting stays possible beyond the fall window |
| Taking cuttings | End of summer, on hardening wood | The simplest way to multiply the shrub |
| Transplanting cuttings | late spring, once the last frosts are past | Young plants move up to larger nursery pots |
| Pruning | Summer, once the flowers have died off | Sprigs of the year cut back by about half, shape controlled |
| Feeding | Spring, repeated 2 to 3 times a year | Significantly increases the blooming |
Watering matters most in the two years after planting, and all year round for deutzia grown in pots.
Deutzias sold in garden centres range from knee-high mounds for the front of a border to arching shrubs that make a hedge on their own, in every shade from pure white to carmine. The table below sets the widely available cultivars side by side so you can match flower colour, size and flowering time to the spot you have in mind.
| Variety | Flower colour | Flowering period | Best use |
|---|---|---|---|
| ‘Mont Rose’ | Rose-pink | Early summer | Flowering hedge, borders |
| ‘Rosealind’ | Deep carmine-pink | Early summer | Shrub border, standalone |
| ‘Yuki Cherry Blossom’ | Soft pink | Late spring | Front of border, pots |
| ‘Codsall Pink’ | Double pink | Early summer | Large shrub border |
| Deutzia × magnifica | Double white | Early summer | Screening, large hedge |
| Deutzia setchuenensis var. corymbiflora | White, in flat clusters | Mid to late summer | Extends the flowering season |
| ‘Strawberry Fields’ | Deep pink-red buds, pink flowers | Early summer | Colour accent in a border |
| ‘Yuki Snowflake’ | White | Late spring | Low mounded ground cover |
| ‘Pride of Rochester’ | Double white, pink-flushed | Early summer | Back of border, hedging |
| ‘Nikko’ | Pure white | Late spring | Edging, low mass planting |
| ‘Chardonnay Pearls’ | White, pearl-like buds | Late spring | Containers, golden foliage accent |
| ‘Carminea’ | Carmine-pink, paler inside | Early summer | Small gardens, mixed beds |
| ‘Magicien’ | Mauve-pink edged white | Early summer | Standalone specimen |
| ‘Kalmiiflora’ | Pink outside, white within | Early summer | Arching habit, informal hedge |
| ‘Candidissima’ | Double pure white | Early summer | Standalone, cut stems |
Deutzia offers us beautiful flowers in spring that will last for a large part of summer.
This shrub is very ornamental and just as hardy, which makes it a very manageable shrub that is within reach of any gardener.
Its resistance to the cold and to freezing is high, since it can survive when the temperature drops to about -4°F (-20° C).
The Deutzia genus includes about sixty species. Its blooming goes from white to purple-pink depending on the variety.
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In spring, rake some mulch at the base of the tree and you’ll thus avoid weeds and not need to use herbicides!
Credits for images shared to Nature & Garden (all edits by Gaspard Lorthiois):
Mixed deutzia flowers by Rüdiger Stehn under © CC BY-SA 2.0
Deutzia in container pots by Steve Law under © CC BY-SA 2.0
Deutzia close-up by Katja Schulz under © CC BY 2.0
