Sweet pea - A Sweet pea Favourite in the Garden

Pink sweet peas. Ruffled petals and a strong summer scent – in a bouquet, as a gift or in a jug on the kitchen table.

Sweet Pea in Pink

Pink sweet pea is one of the most beloved climbing flowers in British gardens. With its Latin name Lathyrus odoratus, it belongs to the pea family and is renowned for its fantastic fragrance and beautiful blooms that continue from midsummer until the first frost.

The Magic of Fragrance and Beauty of Bloom

The pink sweet pea offers a wonderful variety of shades, from pale blush to deeper pink tones. The flowers display the characteristic pea flower shape with their delicate ruffled petals that resemble tiny butterflies. What truly sets sweet pea apart is its intense, sweet fragrance, which is strongest in the evening and early morning.

Planting and Growth

Sweet pea is an annual climbing plant that can reach heights of up to two metres. It climbs with the help of its tendrils and therefore requires support in the form of trellises, fences or other climbing structures. Sow seeds directly into the soil in spring once the frost risk has passed, or start them indoors a few weeks earlier.

Soil Requirements and Nutrition

For best results, sweet pea thrives in nutrient-rich, well-draining soil with good humus content. The soil should be moist but not waterlogged, and the plant prefers a pH level between 6.0 and 7.5. Add compost or well-rotted manure before planting to provide the plant with the nutrients it needs for abundant blooms.

Care During the Growing Season

Regular watering is important, especially during dry periods. Keep the soil evenly moist but avoid overwatering, which can lead to rot. Deadhead spent flowers regularly to encourage continued blooming and prevent the plant from setting seed too early.

Position in the Garden

Pink sweet pea is ideal along fences, near pergolas or as a backdrop in flower beds. It thrives best in a spot with morning sun and shade during the hottest hours of the day. The plant is also popular as a cut flower and stays fresh in a vase for around three to five days.

Combinations with Other Plants

Pink sweet pea harmonises beautifully with other pastel-coloured flowers such as delphiniums, hollyhocks and summer phlox. It can also be used to soften stronger colours in borders and creates a romantic feel in the garden.

Flowering Season and Conclusion

Blooming continues right up until the first frost, making sweet pea a reliable flower for the latter part of the gardening season. When the plant dies back in autumn, it can be composted, and new seeds can be collected for next year's growing.

Quick facts – Sweet pea – Pink

Colour
pink
Latin name
Lathyrus odoratus
Type
cut flower
Flowering
june-august
Light
full sun
Water
moderate
Height
100-200 cm
Vase life
3-5 days
Scent
strong
Toxic to Pets
yes
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FAQ about Sweet pea – Pink

What kind of soil suits sweet peas best?
Sweet peas thrive in fertile, well-drained, humus-rich soil with a pH of 6.0-7.5. Dig in compost or well-rotted manure before sowing or planting. Avoid heavy clay that waterlogs around the roots.
How often should sweet peas be watered?
Water regularly to keep the soil evenly moist, especially in dry spells and while they are flowering. Water deeply at the base and never let the soil dry out completely, as stress makes the plants stop flowering.
Do sweet peas need deadheading?
Yes, the more you pick, the more they flower. Cut flowers for the vase regularly and remove faded flowers before they form seed pods. Give the plants netting or a wigwam of canes to climb.
Which pests and diseases can affect sweet peas?
Aphids may attack the young shoots and can be rinsed off or treated with insecticidal soap. Powdery mildew can appear in late summer, and slugs and snails love young seedlings, so protect them early on.
Can sweet peas be overwintered?
No, the sweet pea is an annual and dies after flowering or at the first frost. Collect ripe seeds from dry pods to sow the following year. Soaking the seeds overnight before sowing speeds up germination.

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