PlantFiles is getting a new look! Just in time for spring, we're rolling out a new look for the best online plants database. It will also work with your smart phones and mobile devices, so now you can take it with you on garden center visits or botanical garden tours. Questions or comments? Please post them here.

Round-headed Rampion
Phyteuma orbiculare

Family: Campanulaceae (kam-pan-yew-LAY-see-ee) (Info)
Genus: Phyteuma (fy-teh-YOO-muh) (Info)
Species: orbiculare (or-bik-yoo-LAIR-ee) (Info)

Category:

Alpines and Rock Gardens

Perennials

Height:

6-12 in. (15-30 cm)

12-18 in. (30-45 cm)

Spacing:

6-9 in. (15-22 cm)

9-12 in. (22-30 cm)

Hardiness:

USDA Zone 6a: to -23.3 C (-10 F)

USDA Zone 6b: to -20.5 C (-5 F)

USDA Zone 7a: to -17.7 C (0 F)

USDA Zone 7b: to -14.9 C (5 F)

USDA Zone 8a: to -12.2 C (10 F)

USDA Zone 8b: to -9.4 C (15 F)

Sun Exposure:

Full Sun

Sun to Partial Shade

Danger:

N/A

Bloom Color:

Medium Blue

Dark Blue

Blue-Violet

Bloom Time:

Mid Spring

Late Spring/Early Summer

Mid Summer

Late Summer/Early Fall

Foliage:

Herbaceous

Other details:

Average Water Needs; Water regularly; do not overwater

Self-sows freely; deadhead if you do not want volunteer seedlings next season

This plant may be considered a protected species; check before digging or gathering seeds

Soil pH requirements:

6.6 to 7.5 (neutral)

7.6 to 7.8 (mildly alkaline)

Patent Information:

Non-patented

Propagation Methods:

By dividing rhizomes, tubers, corms or bulbs (including offsets)

From seed; direct sow outdoors in fall

From seed; winter sow in vented containers, coldframe or unheated greenhouse

Seed Collecting:

Allow seedheads to dry on plants; remove and collect seeds

Regional

This plant has been said to grow in the following regions:

Bridgewater, Massachusetts

Gardeners' Notes:

0
positives
1
neutral
0
negatives
RatingContent
Neutral

On Mar 20, 2005, saya from Heerlen
Netherlands (Zone 8b) wrote:

Widely spread in Europe mostly in mountain and subalpine regions.