A beautiful, fast growing and hardy vine, Blue Crown Passionflower produces spectacular, bluish-white flowers which begin blooming in July and continue until hard frost. Blue Crown is evergreen to about 15 degrees F. Mulching with straw or other similar material during severe cold will help protect the roots.
Latin Name: Passiflora caerulea
Site and Soil: Passionflowers like 1/2 day to full sun and well-drained soil.
Pollination Requirements: White Crown Passionflower is hardy to about 12 F. Mulch the base of the plant during severe cold.
Hardiness: White Crown is hardy to about 12º F. Mulch the base of the plant during severe cold.
Size at Maturity: 8-10 ft. in width on fence, trellis, arbor or other support.
Bloom Time: July to Fall
Pests & Diseases: Passionflowers are not bothered by pests or diseases.
USDA Zone: 8
Sunset Western Zone: 5-9, 12-24, H1, H2
Sunset Northeast Zone: 31, 32,