Family: Campanulaceae (kam-pan-yew-LAY-see-ee) (Info)
Genus: Phyteuma (fy-teh-YOO-muh) (Info)
Species: orbiculare (or-bik-yoo-LAIR-ee) (Info)
 One member has or wants this plant for trade.
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:
Unknown - Tell us
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
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