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A Guide to Growing Peas

Updated on April 3, 2017
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Caren White is a Master Gardener and longtime volunteer at Rutgers Gardens. She also teaches workshops at Home Gardeners School.

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Humans have been growing and consuming peas for about 6,000 years. The Egyptians ate them. The Romans ate them. The Chinese ate them. But they all ate different peas from the vegetable that is familiar to us. Prior to the Middle Ages, people ate dry, or field peas, which were harvested after they had ripened and dried in their pods. We eat peas that have not yet matured and still retain their delicate green color. The switch occurred in 17th century Europe. At first it was just the wealthy who enjoyed the luxury of “garden” peas. As they became more readily available, even the poorest Europeans made the switch from “pease porridge” to succulent green peas.

What are peas?

Peas are an annual vining cool season plant. You can plant your seeds about one month before your last frost date when the soil temperature reaches 45⁰F. The vines will stop producing when the air temperature reaches 80⁰F. They are members of the legume family so they fix nitrogen in the soil. They are an excellent crop to grow in rotation with heavy nitrogen feeders like cucurbits, such as squash and pumpkins, and solanaceous plants such as tomatoes and peppers.

Are they hard to grow?

As testified to by their ancient history, peas are easy to grow. They need support so you should erect a trellis prior to planting for them to climb. Almost anything can act as a trellis: supports or tepees with netting, twine or chicken wire. Some gardeners use “pea sticks” which are simply sticks stuck in the ground for the vines to climb on. Peas use tendrils to attach to supports so anything they can grab on to is sufficient. Peas have even been known to climb other plants in the garden.

Soak your seeds overnight for best germination. Erect your trellis and then plant a double row of seeds on either side of the trellis. Seeds should be planted 1 inch deep and 2 inches apart. Germination varies depending on the soil temperature. At 38⁰F, it can take up to a month. When the soil temperature is 65⁰F to 70⁰F, germination is quicker, 1 to 2 weeks. Seeds planted in soil that is above 75⁰F will germinate within 1 week.

Water your new seedlings lightly to encourage deeper roots. Peas tend to have shallow roots. When the vines are 6 inches tall, mulch them with 2 inches of straw or compost. Mulch keeps weeds from growing and competing with your plants. It also keeps the soil cool and retains moisture.

When can I harvest my peas?

Harvest on your peas starts 60 to 70 days after germination. They are ready to harvest when the pods are full and the outline of the peas is clear. Don’t pull the pods away from the vine. This could break the vines. Instead, use two hands, one to hold the vine and the other to pull on the pod. Or better yet, using pruners, gently cut the pods from the vines.

Since peas are the seeds of the pea plants, harvesting the pods will cause the plants to produce more. Annual plants grow, flower and set seed in one year. They won’t die until they have produced seed or they are killed by frost in the fall or in the case of peas, hot summer temperatures. When you harvest peas, you are taking away the plants’ seeds so they will make more peas (seeds).

After harvest, the sugar in peas turns to starch, affecting the flavor so you need to either use them or preserve them within a few hours of picking. Most people preserve peas by canning or freezing them.

© 2017 Caren White

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    • OldRoses profile image
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      Caren White 6 months ago from Franklin Park, NJ

      Marlene, so glad you found my hub helpful. Thanks for reading and commenting.

    • MarleneB profile image

      Marlene Bertrand 6 months ago from Northern California, USA

      I tried growing peas a couple of times, but was unsuccessful. I learned something very important here. Temperature matters. I believe I have not been planting at the right time of year. It's good to know that peas have to be used or preserved fairly quickly after picking them.