Photo by Melody

PlantFiles: Venus' Looking-glass
Triodanis perfoliata

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Family: Campanulaceae (kam-pan-yew-LAY-see-ee) (Info)
Genus: Triodanis (try-oh-DAY-nis) (Info)
Species: perfoliata (per-foh-lee-AY-tuh) (Info)

Synonym:Specularia perfoliata

2 vendors have this plant for sale.

5 members have or want this plant for trade.

Category:
Annuals

Height:
18-24 in. (45-60 cm)
24-36 in. (60-90 cm)

Spacing:
18-24 in. (45-60 cm)

Hardiness:
Not Applicable

Sun Exposure:
Full Sun

Danger:
Unknown - Tell us

Bloom Color:
Blue-Violet

Bloom Time:
Late Spring/Early Summer
Mid Summer
Late Summer/Early Fall

Foliage:
Herbaceous

Other details:
May be a noxious weed or invasive
Average Water Needs; Water regularly; do not overwater
Self-sows freely; deadhead if you do not want volunteer seedlings next season

Soil pH requirements:
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)

Patent Information:
Unknown - Tell us

Propagation Methods:
From seed; direct sow outdoors in fall
From seed; direct sow after last frost

Seed Collecting:
Collect seedhead/pod when flowers fade; allow to dry

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By TamTam
Thumbnail #1 of Triodanis perfoliata by TamTam

By Floridian
Thumbnail #2 of Triodanis perfoliata by Floridian

By willbike
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By CaptMicha
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By melody
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By htop
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There are a total of 13 photos.
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Profile:

2 positives
No neutrals
No negatives

Gardeners' Notes:

RatingAuthorContent
Positive sallyg On May 18, 2010, sallyg from Anne Arundel,, MD (Zone 7b) wrote:

I've had this for years. it will self sow and seems to prefer my sunny bed. The seedlings in spring are cute, with unique cupping leaves, then the stems get longer and start flowering, late spring. The stem base will eventually bend and lay on the ground as the bloom continues on upright stems to a foot or so.. Near the end of bloom they are getting a bit messy and yellowed.

Positive CaptMicha On Jun 20, 2005, CaptMicha from Brookeville, MD (Zone 7a) wrote:

Venus' Looking-glass is a delightful little plant that I occassionally find in neglected parts of the yard.

It has compact little growth and bright blue/purple flowers.

I haven't found it to be very invasive but it does have to compete with some very invasive weeds, that might be saying something.

Regional...

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

Morrilton, Arkansas
Brunswick, Georgia
Benton, Kentucky
Brookeville, Maryland
Millersville, Maryland
Bridgewater, Massachusetts
Blue Springs, Missouri
Hamilton, New Jersey
Brush Creek, Oklahoma
Morrisville, Pennsylvania
Greenville, South Carolina
Oakland, South Carolina
Austin, Texas
Grey Forest, Texas
San Antonio, Texas
Great Cacapon, West Virginia



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