Plants
Deutzia
Deutzia · Hydrangeaceae
Deutzia is the quiet star of early summer: between May and July, thousands of small star-shaped flowers in white to pink cover the entire shrub, often so densely that the foliage almost disappears. It is undemanding, fully hardy, tolerant of urban conditions and non-toxic — a shrub that works in nearly every garden. As a relative of the hydrangea it likes fresh soil, but is far less fussy.
- Light
- Sun to semi-shade; full sun as long as the soil stays reasonably fresh.
- Watering
- Keep evenly fresh; water established shrubs only in longer dry spells.
- Care level
- Easy
- Botanical
- Deutzia
For small gardens the dwarf Deutzia gracilis „Nikko“ is ideal — it stays under a metre and even works as a border edging. The hybrid „Mont Rose“ flowers purple-pink, while the old cultivar „Plena“ (Deutzia scabra) carries double white blooms flushed pink and reaches a good two to three metres. The range covers everything from containers to a free-growing flowering hedge.
Deutzia flowers on the previous year's wood. It is therefore pruned straight after flowering: cut spent shoots back to young side shoots and remove the oldest branches completely near the ground every few years. Prune in early spring and you remove the year's bloom — the same mistake as with forsythia and weigela.
It prefers a sunny to semi-shaded spot in fresh, humus-rich soil. Unlike its relative the hydrangea, deutzia tolerates limy soils and short dry spells remarkably well. Only permanently wet feet and hot, bone-dry south-facing sites without any watering are punished with weak flowering.
In garden design, deutzia is a perfect mediator: it bridges the gap in time between lilac and roses and harmonises with peonies, viburnum and early perennials. White cultivars are most striking in front of dark shrubs or walls; pink ones add depth to romantic cottage-garden plantings.
A workshop tip: flowering deutzia branches are wonderful, rustic cutting material for large vases. Lightly score the bark at the stem end, place deep in fresh water and display somewhere cool — the starry flowers then last several days without shattering immediately.
Is Deutzia toxic to children and pets?
- Children
- Non-toxic
- Cats
- Non-toxic
- Dogs
- Non-toxic
Deutzia is considered non-toxic to cats, dogs and children, making it a safe choice for family gardens. As with all ornamentals, it should still not be eaten.
Overview: toxic & non-toxic plants for cats, dogs and children
Care
- 01Sunny to semi-shaded position; in shade deutzia flowers only sparsely.
- 02Fresh, humus-rich garden soil; tolerates lime — just avoid waterlogging.
- 03Prune straight after flowering, never in early spring.
- 04Thin the oldest shoots out near the ground every few years to keep the shrub young.
- 05Work in a helping of compost in spring.
- 06Water young plants and container specimens regularly in dry weather.
Frequently asked
- When does deutzia flower?
- Depending on species and cultivar, between May and July. The dwarf Deutzia gracilis usually starts in May, while the tall Deutzia scabra cultivars flower in June and July. The display lasts three to four weeks and bridges the garden gap between lilac and summer perennials.
- Is deutzia toxic?
- No, deutzia is considered non-toxic to people, dogs and cats. It can be planted in family gardens and along paths without concern. That of course still does not make it edible.
- Why is my deutzia not flowering?
- The most common cause is pruning in autumn or spring, which removes the flower buds sitting on last year's wood. A spot that is too shady or a completely aged, never-thinned shrub also suppress flowering. Thin out after the next bloom and provide more light — the display will return.
- Does deutzia work as a hedge?
- Yes, it is excellent as a free-growing flowering hedge — for instance mixed with weigela and mock orange. For strictly clipped formal hedges it is the wrong choice, because regular shaping sacrifices the bloom on last year's wood. Dwarf cultivars such as „Nikko“ also work as a low border edging.