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How to grow sweet peas from seed in spring.

January 29, 2016 By Jill Anderson Leave a Comment

Did you get round to sowing sweet peas last autumn?…. me neither, but its not too late, they can be sown anytime up until March.

Sweet-peas are the type of plant that represent summer in an English garden for me, I’m looking forward to plenty of softly coloured, sweetly scented blooms, I also like the look of those deeply coloured purple and navy ones.

How to grow sweet peas from seed in spring.-sweet- pea flowers

How to grow sweet peas from seed:

They like a plenty of room for their long roots, some people use root-trainers or the cardboard tube of loo rolls, the tubes are good because of their sustainability, but they do tend to unravel.

Fill the container with multi-purpose soil, water and plant two seeds in each pot.

Cover with a sheet of newspaper, check every day so the newspaper can be taken off as soon as the seedlings appear.

They need a cool place so they don’t grow too quickly, I’ll keep mine in the cold-frame, though space is tight in there.

I’ll pinch out the little  growing tip of the stem after three or four pairs of leaves have grown, this encourages them to grow into bushy little plants.

How to grow sweet peas from seed in spring- sweet-peas growing on an arch

a charming little sweet-pea tunnel made from hazel

Sweet-peas are  half-hardy annuals, so I’ll wait until there’s no sign of frost before I plant them in the garden, this should be around mid-May here in South-East England. I’ll open the lid of the cold-frame each day for a few days to acclimatise them before they’re planted out permanently.

They should be happy in my clay soil, I’ll add plenty of well-rotted manure to a little trench around the base of a tee-pee. This treatment is also good for light, sandy soil, tomato fertiliser will keep them flowering once the plants start flowering.

Gently tease the plants apart if two have grown in one container and plant a couple of plants at the base of each pole, water and tie them in as they grow.

Pick flowers every day, that’s not too much of a chore is it, and cut off any seed pods that form Their mission is to produce seed and once they do that they stop flowering, job done.

-sweet-pea-Cupani, sweet-pea flowers growing on a tee-pee

this is the highly scented sweet-pea ‘Cupani’

More about growing half-hardy annuals from seed here.

Easton Walled Gardens has a Sweet-Pea Week in July where you can see hundreds of different varieties, more information here and The Higgledy Garden has a sumptious selection of sweet-pea seeds.

Happy gardening, Jill

all photos: Jill Anderson.

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Related posts:

make a bug house for pollinating insects-www.growingnicely.co.ukAttract pollinating insects & pest controllers into your garden. great dixter topiaryGreat Dixter- gardening inspiration What to do in the garden in March Ideas to borrow from The Chelsea Flower Show.
Filed Under: Blog, Gardening, Plants, Recycling & Sustainability Tagged With: grow sweet peas in Spring, how to grow sweet peas from seed

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Hello, I’m Jill Anderson.
This is where you’ll find good, solid information about gardening, growing fruit & vegetables and how to keep it all looking good.
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