In short
- Forms an airy, rounded clump of small flowers up to 100 cm tall.
- Requires full sun and dry, well-drained, calcareous soil.
- Very frost-hardy — withstands down to USDA zone 3.
- Drought-loving thanks to its deep taproot; does not tolerate wet substrate.
- A nectar plant — the mass of small flowers attracts bees and butterflies.
- Does not like transplanting — the position is chosen permanently.
Botanical data
- Family
- Caryophyllaceae (Caryophyllaceae)
- Height
- 0.6–1 m
- Width
- 0.6–1.2 m
- Habit
- Rounded
- Growth rate
- Fast
- Position
- Full sun
- Soil
- Sandy, Chalky, Humus-rich
- pH reaction
- pH 7–8
- Moisture
- Dry, Moderate
- Bloom
- June–August
- Hardiness
- USDA 3b–9a
- Propagation
- From seed, From cuttings
Characteristics
It produces a strongly branched, rounded clump up to a metre in height and width. The narrow, lanceolate leaves are grey-green. Hundreds of tiny, single or double flowers in white or pale pink form an airy veil. The plant has a thick, deeply reaching taproot.
Growing and care
Watering
The deep taproot draws water from the lower soil layers, so the plant tolerates drought superbly. It does not tolerate wet substrate, especially in winter, when it rots easily.
Fertilizing
Sparingly; the key is calcium content — on acidic soils, liming is advisable.
Planting
A sunny position; deep, well-drained and calcareous soil. Choose the spot permanently — the plant has a taproot and tolerates transplanting poorly.
Pruning
Cut back the faded shoots by about a third to encourage a second, weaker flowering in autumn.
Companion plants
Good companions
A classic garden and bouquet combination — the airy cloud of the small, white baby's-breath flowers fills the space between roses and sets off their blooms.
Both plants like sun and dry, calcareous soil; baby's breath gently masks the woody bases of the lavender that become exposed over time.
They belong to the same carnation family and have similar requirements — sun and well-drained, slightly alkaline soil — forming a coherent cutting border.
Bad companions
The rhododendron requires acidic and constantly moist soil, the opposite of the calcareous, dry position preferred by baby's breath — the two plants cannot be reconciled in one place.
The blueberry grows only on strongly acidic, moist substrate that baby's breath does not tolerate; the liming that baby's breath needs would be fatal to the blueberry.
The evidence level indicates whether the relationship is backed by research, observation, or gardening tradition.
Diseases and pests
Toxicity
| For whom | Level | Notes |
|---|---|---|
| Humans | Mild | The roots contain saponins; dust from dried inflorescences may irritate the respiratory tract and skin in sensitive people, which can be a problem in floristry. |
| Dogs | Mild | Saponins may cause vomiting and diarrhoea after eating a larger amount of the plant. |
| Cats | Mild | — |
History and origin
It comes from the steppes of Eastern Europe and Asia. In horticulture it spread as an indispensable, delicate backdrop for larger and more colourful plants, and as a classic addition to bridal bouquets, which in Polish earned it the colloquial name meaning “bride's lace”.
Uses
Planted in perennial borders as an airy backdrop, on dry and calcareous banks and in naturalistic gardens. The flowers are a classic filler for fresh and dried bouquets, combining superbly with roses.
Trivia
- A single mature specimen can produce over a thousand small flowers in a season.
- In North America, where it has been introduced, it is sometimes regarded as an invasive plant, although in Europe it is a native species.
Frequently asked questions
Why does baby's breath not flower or grow poorly?
The most common cause is acidic, heavy or overly moist soil and a lack of sun. Baby's breath needs full sun and a well-drained, calcareous substrate — on acidic soil it is worth liming it.
Can baby's breath be transplanted?
It is better to avoid it. The plant forms a deep taproot that is easily damaged, and older specimens tolerate transplanting poorly. It is best to choose the position permanently right at planting.
Is baby's breath frost-hardy?
Yes, it is very frost-hardy and withstands USDA zone 3. More dangerous than frost is winter moisture — on well-drained soil it overwinters without problems, on wet soil it may rot.
Sources
- Plants of the World Online (POWO)Database (GBIF, POWO…)
- Missouri Botanical Garden — Gypsophila paniculataInstitution / botanical garden
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