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Annual

Sweet Pea

Lathyrus odoratus

Sweet Pea

Sweet peas are cherished for their delicate, fragrant blossoms and wide range of colors. They symbolize blissful pleasure, delicate beauty, departure, and gratitude.

Plant Family

Fabaceae (Pea family)

Blooming

Late spring to summer (May-August), depending on planting time and climate

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Close-up of delicate pink and purple sweet pea blossoms
Close-up of delicate pink and purple sweet pea blossoms

Symbolism & Meanings

Key Meanings

Blissful pleasure
Delicate beauty
Departure
Goodbye
Thank you
Lasting pleasure
Friendship
Adieu

Perfect For

FarewellsThank you giftsBirthdays (especially April)Celebrations of friendshipRemembering pleasant times

Color Meanings

White:Purity, innocence, thank you, delicate pleasure
Pink:Affection, joy, youth, gratitude
Purple:Admiration, respect, farewell wishes
Red:Love, passion, courage, desire
Blue:Gratitude, truth, departure, delicate beauty

Cultural Significance

Popularized in the late Victorian era by Scottish nurseryman Henry Eckford. Associated with Edwardian England. The flower of April.

Botanical Information

Physical Characteristics

Flower Size: Individual flowers about 1-1.5 inches across (2.5-3.8 cm), borne in racemes
Plant Size: Vines can grow 6-8+ feet tall (1.8-2.4+ m); bush types 1-3 feet (30-90 cm)
Flower Shape: Butterfly-like (papilionaceous) with a large upper petal (standard), two side petals (wings), and two lower petals fused (keel)

Natural Habitat

Native to: Eastern Mediterranean region (Sicily, southern Italy, Aegean Islands)
Habitat: Originally found in open woodlands and fields
Climate: Cool, temperate climates. Dislikes intense heat.

Growing Guide

Sunlight

Full sun (at least 6 hours). Can benefit from light afternoon shade in hotter areas.

Water

Moderate to high, consistent moisture, especially during flowering

Soil

Well-drained, Fertile, Humus-rich, Alkaline soil (pH 7.0-7.5 preferred)

Expert Growing Tips

1

Sow seeds in early spring (or fall in mild winter climates). Nicking or soaking seeds can aid germination.

2

Provide sturdy support for climbing varieties from a young age.

3

Deadhead regularly (cut flowers frequently) to prolong blooming and prevent seed formation.

4

Enrich soil with compost and provide regular feeding for best performance.

5

Ensure good air circulation to minimize risk of powdery mildew.

Uses & Benefits

Ornamental Uses

  • Cutting gardens (highly fragrant cut flowers)
  • Trellises, fences, arbors, and other supports
  • Cottage gardens
  • Fragrant gardens
  • Containers (bush types or with support)

Traditional Uses

  • None significant. Seeds are toxic if ingested in large quantities due to lathyrogens, which can cause lathyrism (a neurological condition).

Disclaimer: Information provided is for educational purposes only. Consult healthcare professionals before using any plant medicinally.

Available Colors

Pink
Purple
Blue
Red
White
Cream
Lavender
Maroon
Bi-colors

Quick Facts

Type:annual
Family:Fabaceae (Pea family)
Native to:Eastern Mediterranean region (Sicily, southern Italy, Aegean Islands)
Blooms:Late spring to summer (May-August), depending on planting time and climate

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