Lathyrus, Sweet Pea 'Cupani'

Lathyrusodoratus

Family
Fabaceae (fab-AY-see-ee)
Genus
Lathyrus (LAY-thy-russ)
Species
odoratus (oh-dor-AY-tus)
Synonym
Sun Exposure
Full Sun
Sun to Partial Shade
Foliage
Herbaceous
Smooth
Height
6-8 ft. (1.8-2.4 m)
Spacing
12-15 in. (30-38 cm)
Hardiness
Not Applicable
Danger
All parts of plant are poisonous if ingested
Bloom Color
Blue-Violet
Medium Purple
Bloom Time
Late Spring/Early Summer
Mid Summer
Late Summer/Early Fall
Other Details
Category
Annuals
Vines and Climbers
Water Requirements
Average Water Needs; Water regularly; do not overwater
Foliage Color
Where to Grow
Bloom Characteristics
This plant is attractive to bees, butterflies and/or birds
Flowers are fragrant
Bloom Size
Other details
Soil pH requirements
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)
Patent Information
Non-patented
Propagation Methods
From seed; direct sow outdoors in fall
From seed; sow indoors before last frost
From seed; direct sow after last frost
Seed Collecting
Allow pods to dry on plant; break open to collect seeds
Properly cleaned, seed can be successfully stored
Regional

This plant is said to grow outdoors in the following regions:

Berkeley, California

Richmond, California

San Leandro, California

Fort Myers, Florida

Allentown, Pennsylvania

Thompsons Station, Tennessee

Cedar Creek, Texas

Kalama, Washington

Tacoma, Washington

Vancouver, Washington

show all

Featured Videos

Gardener's Notes:

4
positives
1
neutral
0
negative
Sort By:
Sort By:
W
Allentown, PA | March 2016 | positive

The fragrance of Cupani is the reason I continue to grow it yearly. I save my own seeds and have found them to come true the next season...Read More

L
L
Thompsons Station, TN (Zone 7a) | February 2010 | positive

Had a good experience with Cupani last year. I found they held up well in the Tennessee heat, flowering for 6-8 weeks, before giving up b...Read More

S
(Zone 6a) | June 2009 | positive

We grew this for the first time this year and yesterday it opened it's first bloom and is loaded up with buds! I love the fact that this ...Read More

B
Lakemont, GA (Zone 8a) | March 2007 | neutral

This ancient sweetpea is literally the grandaddy of them all, as all other sweetpeas have descended from it. It was grown in Middlesex ...Read More

G
Tacoma, WA | March 2006 | positive

The original sweet pea, a very old strain. Glowing purple-rose blooms, on the small side compared to more modern sweet peas, but generous...Read More

Featured
Spotted Ground Spider
(Storena formosa)
Zebra Dove
(Geopelia striata)
Featured
Spotted Ground Spider
(Storena formosa)
Zebra Dove
(Geopelia striata)