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PlantFiles: Birdbill Day Flower, Western Dayflower
Commelina dianthifolia 'Electric Blue'

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Family: Commelinaceae (ko-mel-ih-NAY-see-ee) (Info)
Genus: Commelina (kom-uh-LIN-uh) (Info)
Species: dianthifolia (dy-anth-ih-FOH-lee-a) (Info)
Cultivar: Electric Blue

Category:
Annuals

Height:
6-12 in. (15-30 cm)

Spacing:
9-12 in. (22-30 cm)

Hardiness:
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)
USDA Zone 9a: to -6.6 C (20 F)
USDA Zone 9b: to -3.8 C (25 F)
USDA Zone 10a: to -1.1 C (30 F)
USDA Zone 10b: to 1.7 C (35 F)

Sun Exposure:
Sun to Partial Shade
Light Shade

Danger:
N/A

Bloom Color:
Dark Blue

Bloom Time:
Mid Summer
Late Summer/Early Fall

Foliage:
Blue-Green
Smooth-Textured

Other details:
Requires consistently moist soil; do not let dry out between waterings
Suitable for growing in containers

Soil pH requirements:
6.6 to 7.5 (neutral)

Patent Information:
Unknown - Tell us

Propagation Methods:
By dividing rhizomes, tubers, corms or bulbs (including offsets)
From seed; winter sow in vented containers, coldframe or unheated greenhouse
From seed; stratify if sowing indoors
From bulbils

Seed Collecting:
Bag seedheads to capture ripening seed
Collect seedhead/pod when flowers fade; allow to dry

Profile:

1 positive
No neutrals
No negatives

Gardeners' Notes:

RatingAuthorContent
Positive Shirley1md On Mar 26, 2006, Shirley1md from Ellicott City, MD (Zone 7a) wrote:

Sow indoors in early Spring or by wintersowing in containers outdoors. Lovely intense blue flowers that flower in the 1st year and that will also perform well in the garden. They produce tubers like Dahlias & should be lifted each year in the Fall, if gardening in colder climates. Wonderful in containers, rock gardens and the border.

Regional...

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

Ellicott City, Maryland



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