Sweet Pea ‘White Supreme’

Lathyrus odoratus

Features

  • Cut-and-come-again
  • Fragrant
  • Toxic
  • Vine

Description

‘White Supreme’ is strongly perfumed and features large, clear-white flowers on long, sturdy stems. A fantastic variety for cutting, this gem is greedily snapped up for weddings. A must-grow!

Please note: Unlike garden peas, sweet pea seeds are poisonous if ingested. Use caution around children and pets.

Details

Plant type: hardy annual
Height: 6 to 8 ft
Site: full sun
Days to maturity: 75 to 90 days
Plant spacing: 8 in
Pinch: when 4 to 6 in tall

Seed Sowing & Growing Notes

In mild areas, seed can be sown in pots in the fall, overwintered in a sheltered spot, and planted out in spring. Everywhere else, sow seed 10 to 12 weeks before last frost and transplant out right around last frost. Provide a strong trellis or support for vines to climb.

Harvesting/Vase Life

Harvest when there are at least 2 unopened flowers at the tip of a stem. It’s especially important to use flower food. Expect a vase life of 4 to 5 days.

Details

Description

‘White Supreme’ is strongly perfumed and features large, clear-white flowers on long, sturdy stems. A fantastic variety for cutting, this gem is greedily snapped up for weddings. A must-grow!

Please note: Unlike garden peas, sweet pea seeds are poisonous if ingested. Use caution around children and pets.

Details

Plant type: hardy annual
Height: 6 to 8 ft
Site: full sun
Days to maturity: 75 to 90 days
Plant spacing: 8 in
Pinch: when 4 to 6 in tall

Seed Sowing & Growing Notes

In mild areas, seed can be sown in pots in the fall, overwintered in a sheltered spot, and planted out in spring. Everywhere else, sow seed 10 to 12 weeks before last frost and transplant out right around last frost. Provide a strong trellis or support for vines to climb.

Harvesting/Vase Life

Harvest when there are at least 2 unopened flowers at the tip of a stem. It’s especially important to use flower food. Expect a vase life of 4 to 5 days.

Sources

How to Grow

Seed-Saving Mini Course

Learn how to save seed from zinnia, dahlia, and celosia

In our upcoming free, three-part video series, you’ll learn everything you need to know to save seeds on a home scale, including how plants are pollinated and isolation techniques to ensure varieties come back true, how to tell when plants are ready to pick and how to harvest the seeds, and how to properly dry, clean, and store seeds long term.