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

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Featured Videos

Gardener's Notes:

4
positives
1
neutral
0
negative
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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

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