Photo by Melody

PlantFiles: Blue Passion Flower, Hardy Passionflower, Passion Vine, Passionvine
Passiflora caerulea 'Constance Elliott'

Family: Passifloraceae (pas-ih-flor-AY-see-ee) (Info)
Genus: Passiflora (pass-iff-FLOR-uh) (Info)
Species: caerulea (see-ROO-lee-uh) (Info)
Cultivar: Constance Elliott

5 vendors have this plant for sale.

10 members have or want this plant for trade.

Vines and Climbers

over 40 ft. (12 m)

6-8 ft. (1.8-2.4 m)

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)
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:
Full Sun

Parts of plant are poisonous if ingested

Bloom Color:
White/Near White

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


Other details:
This plant is attractive to bees, butterflies and/or birds
Flowers are fragrant
Average Water Needs; Water regularly; do not overwater

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

Patent Information:
Unknown - Tell us

Propagation Methods:
From woody stem cuttings
From softwood cuttings
From semi-hardwood cuttings
From seed; direct sow outdoors in fall
From seed; winter sow in vented containers, coldframe or unheated greenhouse

Seed Collecting:
Allow unblemished fruit to ripen; clean and dry seeds
Unblemished fruit must be significantly overripe before harvesting seed; clean and dry seeds

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to view:

By Bugguy
Thumbnail #1 of Passiflora caerulea by Bugguy

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By AuntB
Thumbnail #7 of Passiflora caerulea by AuntB

There are a total of 10 photos.
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3 positives
1 neutral
No negatives

Gardeners' Notes:

Positive chuck7701 On Mar 12, 2009, chuck7701 from McKinney, TX (Zone 8a) wrote:

This is a very cold hardy variety - has survived snow, ice and long low sustained freezing temps teens and 20's for several days with no freeze damage to limbs. Unlike my other passion vines which fade at the first hard frost or before. Agree on trimming back in late fall or Feb-Mar to promote flowers on new growth. Lots of white flowers, little to no fragrance, unlike the incensa variety.

Does spread via underground roots into other areas easily. Suggest placing on its own fence away from your permanent beds. I routinely pull new sprouts in my beds 10-15 feet from base.

Positive jftonk On Aug 8, 2004, jftonk from Dallas, TX wrote:

I planted one of these on a west-facing fence in the spring of 2003 in Dallas, TX. The plant endured a freakishly heavy snow in the winter of 2004 and has not only survived, but flourished and now covers over 50% of a 32 ft long fence. it has produced absolutely tons of flowers and to my surprise, it has started to produce fruit. i planted a cerulean this year and next year I hope to have a fence entirely covered in the white and blue flowers.

Neutral foodiesleuth On Jun 30, 2004, foodiesleuth from Honomu, HI (Zone 11) wrote:

I have never seen this one. Does it produce fruit?

Positive saya On Jun 29, 2004, saya from Heerlen
Netherlands (Zone 8b) wrote:

I have Constance in my garden for four years now growing on a southfacing wall near to my terrace. Every year it gives me countless flowers which are lovely perfumed too. The flowers grow on first year in spring I give her a good trim. She appeared hardy enough for me and has survived a harsh winter 2002/2003 with temps down to - 18 C
Well..I don't know any other flower that sticks so nicely on my has such a very interesting shape.


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

Mesa, Arizona
Queen Creek, Arizona
Tucson, Arizona
Ashland, California
Clayton, California
San Francisco, California
Williston, Florida
Eskridge, Kansas
Latonia, Kentucky
Roswell, New Mexico
Matthews, North Carolina
Lafayette, Tennessee
Austin, Texas
Dallas, Texas
Mc Kinney, Texas

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