Sweetpea Mammoth Mix Seeds

Sweetpea Mammoth Mix produces large, early, colourful flowers on long sturdy stems, with heat and low-water resilience for cutting gardens.

View the South Africa-specific grow guide: Sweet Pea Grow Guide for South Africa

For local sowing and care, use our Sweet Pea Grow Guide for South Africa.

Quick Grow Facts

• Plant Type: Annual
• Scientific Name: Lathyrus odoratus
• General Sowing Time: Autumn to Winter
• Position: Full sun in cool weather
• Sow Depth: 10–15 mm
• Spacing: 15–20 cm
• Germination: 10–21 days at 13–18 °C
• Height: Approximately 1.5–1.8 m with support
• Spread: 30cm to 35cm
• Seed Quantity - 10g raw seed: Approx 120 seeds
• Seed Quantity - 100g raw seed: Approx 1 200 seeds

Why Grow This Variety

• Large flowers in brilliant colours create a strong garden display.
• Heat and low-water resistance support performance in warmer conditions.
• Long, sturdy stems suit cut-flower arrangements.
• Flowering is described as continuing well into summer for an extended display.

Garden Uses

Use Mammoth Mix in sunny garden beds and cut the long stems for colourful, fragrant arrangements indoors.

Growing Notes

• Sow 10–15 mm deep in cool conditions and keep evenly moist, not saturated, during germination.
• Space plants 15–20 cm and protect young growth from slugs, snails and drying wind.
• Install a sturdy trellis or netting before the climbing shoots need support.
• Pick flowers regularly and remove spent blooms to reduce pod formation and extend flowering.
• Sweet pea seeds and pods are not edible; keep them away from children and pets.

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