Portlandia Grandiflora, Bell Flower, Bellflower, Glorious Flower of Cuba, White Horse Flower
Portlandia grandiflora

Family: Rubiaceae
Genus: Portlandia
Species: grandiflora (gran-dih-FLOR-uh) (Info)

Category:

Trees

Tropicals and Tender Perennials

Height:

4-6 ft. (1.2-1.8 m)

Spacing:

Unknown - Tell us

Hardiness:

USDA Zone 10a: to -1.1 C (30 F)

USDA Zone 10b: to 1.7 C (35 F)

USDA Zone 11: above 4.5 C (40 F)

Sun Exposure:

Full Sun

Sun to Partial Shade

Danger:

Unknown - Tell us

Bloom Color:

White/Near White

Bloom Time:

Late Spring/Early Summer

Mid Summer

Late Summer/Early Fall

Mid Fall

Blooms repeatedly

Foliage:

Shiny/Glossy-Textured

Leathery-Textured

Other details:

Flowers are fragrant

Average Water Needs; Water regularly; do not overwater

Suitable for growing in containers

Soil pH requirements:

Unknown - Tell us

Patent Information:

Unknown - Tell us

Propagation Methods:

Unknown - Tell us

Seed Collecting:

Unknown - Tell us

Regional

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

Boca Raton, Florida

Lakeland, Florida

Marathon, Florida

Miami, Florida (3 reports)

Port Charlotte, Florida

Gardeners' Notes:

1
positive
0
neutrals
0
negatives
RatingContent
Positive

On Jul 12, 2007, KatG from Port Charlotte, FL (Zone 10a) wrote:

The plant is named after a former Duchess of Portland, originally discovered in the island some centuries ago but had been in decline until Jamaicas National Arboretum Foundation at Hope Gardens began propagating them a few years ago. A slow growing small tree that produces 5-6" white, trumpet, fragrant flowers. In nature mature trees have been reported to grow 15 feet. Since it is very slow growing, it stays in container as a small 3-5" plant, and blooms when in young age. This plant has elliptic, leathery leaves and blooms from late Spring into Fall. The flowers are white tinged with pink and trumpet-shaped. The air is filled with their luscious perfume, reminiscent of warm, creamy chocolate. It is most fragrant in the evening and early morning, but can be appreciated most any time. Dark... read more