How big does Clustered bellflower grow?

About 50 cm × 60 cm after ten years (height × width).

What soil does Clustered bellflower grow in?

It tolerates these soils: average garden soil, sandy, calcareous.

Is Clustered bellflower hardy?

Hardy down to -40 °C (USDA zone 3, RHS H7). It gets through winter in every part of the country.

Is Clustered bellflower toxic to children?

No. Reliable sources list it as non-toxic to children.

When does Clustered bellflower flower?

Flowering: May–July, purple, blue, white.

How much water does Clustered bellflower need?

Water need: medium. Drought tolerance: medium.

How much does Clustered bellflower cost?

It sells for roughly HUF 1,400 to HUF 4,500 in local shops, depending on size.

Clustered bellflower

Campanula glomerata

Clustered bellflower (Campanula glomerata) is a perennial that reaches 50 cm × 60 cm after ten years. Light: full sun, part shade. Hardy down to -40 °C. Drought tolerance: medium. Non-toxic to children. Sold in local shops from about HUF 1,400.

Illustration of Clustered bellflower — An illustration of the typical shape of the mature plant, not a photo.

What it's good for, and what it isn't

A garden form of a wild meadow bellflower: in early summer upright stems carry tight, rounded heads of violet-blue, upward-facing bells that bees and butterflies visit eagerly. It does well in sun or part shade in free-draining soil, lime included, and appreciates some afternoon shade in hot spots. It spreads by rhizomes and self-seeds, and can run in rich, moist ground, so divide it every few years and cut off the spent stems.

Watch out for

Rarely troubled. Slugs and snails may feed on it, and powdery mildew, rust or leaf spot can appear in warm, dry weather. In rich, moist soil its rhizomes creep in among neighbouring plants.

Key facts

Light: Full sun, Part shade
Water need: Medium
Care: Medium
Size after 10 years: 50 cm × 60 cm
Hardiness: down to -40 °C
Foliage: Deciduous
Flowering: J F M A M J J A S O N D May–July, purple, blue, white

Group	Perennial
Light	Full sun, Part shade
Size after 10 years	50 cm × 60 cm
Ultimate size	30–60 cm × 30–60 cm
Hardiness	down to -40 °C (USDA 3, RHS H7)
Soil	Average garden soil, Sandy, Calcareous
Foliage	Deciduous
Flowering	May–July, purple, blue, white
Water need	Medium
Drought tolerance	Medium
Maintenance	Medium
Root aggressiveness	Low
Suckering	no data
Spreading	Medium
Distance from buildings	no data
Distance from paving	no data
Litter	not typical
Planting distance	30 cm
For dogs	Non-toxic (uncertain)
For cats	Non-toxic (uncertain)
For children	Non-toxic
Typical price	from about HUF 1,400

Toxicity data is for information only. If your pet or child has eaten a plant, contact a vet or a doctor.

Sizes and prices available

The same plant is sold as a small pot and as a specimen several metres tall, and the price follows. Prices are rounded and for guidance only.

Size	Typical price
size not stated	approx. HUF 1,400 – HUF 4,500

Frequently asked questions

Data updated: October 13, 2026 · How our data is made

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Ground cover plants Perennials for part shade Perennials for full sun Plants that are non-toxic to children Perennials for pollinators Native plants of the Carpathian Basin Native perennials Native plants for pollinators

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