Sweet Pea

Lathyrus latifolius

Sweet Pea

Lathyrus latifolius
Beautiful climber!
The perennial sweet pea (Lathyrus latifolius) is a strong and hardy climber that flowers with beautiful purple and lilac flowers! The more you cut the more it will carry on flowering, also for a spectacular growth regularly apply a fertiliser.
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Latin name: Lathyrus latifolius
Guarantee: 1 year growth and flowering guarantee
Color: Mixed Colours
Preferred location: Sun, Half shadow
Green stayer: No
Leafs all year: No
Hardy plants: Yes
Self polinating: No
Edible: No
Scented: Deliciously Scented
Grafted: No
Cutting flowers: Yes
Flowering: June - September
Growing Height: 250 cm

Cold frame - Feb-April. In the garden: from the end of April.
2 ways to sow:

  1. x
  2. x
  3. xx Sow lathyrus early - from the start of February, indoors. Use small pots and sow one seed per pot. Stand them in a propagator or just on the window sill. Keep them warm and moist, and light will germinate them. Slow the growth indoors by standing them in a cooler spot, but do give them enough light.
    x x
  4. x
  5. x
  6. x
  7. xx Sowing in the garden - preferably in full sun they can last from April, all the way through to June. Loosen the soil with a fork up to 30 cm deep. Draw a straight furrow 1 cm deep. Label the row and sprinkle the seed along the row - sow as thinly as you can. Cover the seed with 0.5 cm soil, press carefully down and sprinkle with water. Extra rows should be set at 30 cm apart. Your seedlings should be given frost protection. If the intention is to leave the plants where they were sown, do give them something to climb up - chicken wire along the row connected to poles at either end will suffice. These plants will climb themselves.
    x x
The seed will germinate in 14-21 days.
Once the seedlings are 10 cm tall and frost is no longer forecast, plant them where you want them.
The soil should be nice and loose. Water your Lathyrus immediately. Climbing sweet pea will thrive in loose and fertile soil. Improve poor garden soil with some added manure. Full sun or part shade.

Lathyrus as a climber


Lathyrus is a strong climber that doesn’t require much maintenance. In dry periods, give them extra water. Snip off overblown flowers and pods of the climber to encourage reflowering.
At the end of winter give these perennials (Lathyrus latifolius) a little pampering, treat them with a mulch layer of compost and some garden compost. Protect your sweet pea vine (Lathyrus latifolius) in winter with a layer of leaf litter or straw. All the stems will die back but you are sure to see new shoots again in the spring. That’s when you can cut back all of last years old growth.


The lovely Lathyrus latifolius (sweet pea) is a climbing, perennial pea vine, also known as the everlasting pea.
The flowers resemble the annual sweet pea (Lathyrus odoratus) but the flowers are not fragrant. These sweet peas have short stems which make them perfect flowers for cutting and look so cute in a bouquet or flower arrangement. Both latifolius and odoratus are called Sweet Pea.
Lathyrus can reach a height of approx. 2 metres.

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