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Sweet Pea Seed

Product ID: 3427

Chocolate to maroon blooms on long stems.

From the Spencer Series. Dark, dramatic flower color. Plants produce 3–4 blooms per 9–12" stem. Very lightly fragrant. NOTE: Spencer Series sweet peas are known as late-flowering because they require at least 12 hours of daylight, unlike more modern sweet pea varieties bred for winter production, which may require only 10–11 hours of daylight.

• Attracts hummingbirds.

Ht. 72–96". Avg. 300 seeds/oz. Packet: 50 seeds.
All parts of this plant are poisonous, including the seeds. Exercise extreme caution around children and pets. The purchaser assumes all liability relating to the use of this product.


Item cannot be ordered at this time. Estimated availability May 30, 2023

1 Ounce

Item cannot be ordered at this time. Estimated availability May 30, 2023

1/4 Pound

Item cannot be ordered at this time. Estimated availability May 30, 2023

1 Pound

Item cannot be ordered at this time. Estimated availability May 30, 2023
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DAYS TO GERMINATION: 14-21 days at 55-65°F (13-18°C). To aid germination, seeds can be presoaked for 24 hours in room temperature water prior to planting.

SOWING: Transplant (recommended) - Sow 1/4- 1/2" deep into 72-cell flats or preferred deep-cell seedling container, 4-5 weeks before planting out. Darkness is required for germination. Direct seed - 6 weeks before last frost. Seedlings won't be damaged by light frost. Pinch when 6-8" tall to encourage denser branching and more flowers. Trellis support is required.


PLANT HEIGHT: Varies. Support such as Hortonova vertical trellis is needed to support plants.




VASE LIFE: 4-6 days. Sweet Peas do not store well, but if necessary store at a temperature of 36-39°F (2-4°C).

HARVEST: Half the flowers on a stem are open. Harvesting flowers increases blooms.

SOIL REQUIREMENTS: Rich, deep, loamy, moist, well-drained soil. 6-7 pH preferred.
TIP: Using white on black plastic or straw mulch will help keep roots cool and the plants productive for a longer period.

USES: Cut flower, backs of borders, fences, trellises, arbors, and cottage gardens.

SCIENTIFIC NAME: Lathyrus odoratus

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Quick Facts

Latin Name

Lathyrus odoratus

Days To Maturity

Average number of days from seeding date to harvest, within a specific crop group. If a transplanted crop: average number of days from transplant date. Not sure if crop is direct-seeded or transplanted? Check the Growing Information box for details. If crop can be both direct-seeded or transplanted, days to maturity refers to direct seeding. Days to maturity for all flowers and herbs is calculated from seeding date.

75 - 85 Days

Life Cycle

Plants can be Annuals (single growing season), Perennials (grow year after year), Tender Perennials (grow year after year in warmer climates; and in some cases when given special protection in colder climates), or Biennials (require two years to mature).


Hybrid Status

Hybrid: The offspring of a cross between two or more distinct parent lines, usually of same species, and selected for improved traits.
Open-pollinated: A non-hybrid variety that can reproduce itself in kind, demonstrating relatively stable traits from one generation to the next.

Open Pollinated

Product Features

Use for Cut Flowers and Bouquets Use for Cut Flowers and Bouquets
Variety good for fresh cut-flower displays.
Fragrant Fragrant
Variety is highly fragrant.

Use for Cut Flowers and Bouquets Fragrant