How to grow sweet peas from seeds [16 Steps Guide]

How to grow sweet peas

Hello and welcome to how to grow sweet peas. Sweet peas have been a gardening favorite since 1695 and the flowers have the widest range of colors of any plant and the fragrance is heavenly. Sweet peas come in a large variety of colors, shapes, and sizes. There’s a sweet pea for every garden.

Where and When to grow sweet peas

The best part is that sweet peas are easy to grow. If you’re in zones three through nine start them in late fall. If you’re in colder climates start them in the early spring as soon as you can work the soil.

Choose a sunny location for your sweet peas. If you’re growing the long vining types give them something to climb on. Sweet peas are not picky they’ll climb on anything. The spot should also have good air circulation because sweet peas are susceptible to powdery mildew.

Steps By Step Growing Guide

Step 1: The first step to grow sweet peas is to buy some seeds, they are available in most garden stores.

Sweet pea seeds have a hard coating that needs to be moistened in order to soften them up

Step 2: Moisten the seeds overnight. Sweet pea seeds have a hard coating that needs to be moistened in order to soften them up.

Find a shallow plastic container and then cut a piece of paper towel to fit into the bottom.

Pour in some water – just enough just to dampen the paper. Place the seeds onto the paper. It is important that the seeds are not submerged in water.

Cover the tray with cling film and leave it in a warm place overnight. The next day the seeds should have absorbed plenty of water and are now ready for planting.

Fill a seed tray with compost

Step 3: Fill a seed tray with compost. Lightly press the compost to remove any air.

Step 4: Water the compost. We are doing this at this stage because if you water after adding the seeds it could wash them away.

Step 5: Place the seeds on top of the compost. Place one seed in each compartment.

Step 6: Cover the seeds with a thin layer of compost. Press down firmly to remove any air that’s around the seeds. Always plant more seats than you need in case any fail to germinate.

Step 7: Keep warm and watered and in about 7 days the seeds will begin to germinate.

pinch out the growing tip

Step 8: When the plants are about 10 to 15 centimeters pinch out the growing tip just above the top leaves. The reason for this is to encourage new side shoots so that for every stem we’ll get 3.

Step 9: Plant the sweet peas outside, they need plenty of sunshine. I’ve chosen this south-facing fence.

Step 10: Dig a small hole. Sweet peas require plenty of moisture. My soil is not very good. I’m going to fill the hole with compost.

Step 11: Fill the hole compost and then cover it over with topsoil.

Make a wigwam using 4 canes

Step 12: Make a wigwam using 4 canes. This is to support the sweet peas while they’re growing. As they can grow up to 8 feet tall. An alternative method will be netting. Place the canes in a square pattern about 30 centimeters apart and then tie the tops together.

Step 13: Plant the sweet peas on the inside of the canes on each corner planting 2 per cane.

Finally, give the sweet peas good watering. Make sure you give them a good soaking.

Step 14: When the sweet peas are about 30 centimeters tall it is time to give them support by tying a piece of garden twine around the Canes. Make sure all the sweet peas are on the inside of the support.

When sweet peas are about 60 centimeters you need to tie some more garden twine around the canes to provide additional support

Step 15: When sweet peas are about 60 centimeters you need to tie some more garden twine around the canes to provide additional support. Again make sure the sweet peas are on the inside of the twine.

Step 16: Keep the plants well-watered and keep adding additional support as they grow up the canes. After about 10 weeks since planting the seeds, the first flowers will appear the flowers look beautiful and give the garden a lovely sweet smell.

Thank you for reading the article. I hope you’ve enjoyed it and found it informative. If you would like any more information about gardening please visit our homepage. Happy Gardening!

I am Fenil Kalal. Professionally I have done Engineering in Information and Technology. Gardening is my passion/love/favorite hobby and I have 5+ years of experience in Gardening.

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