How High Do Sweet Peas Climb?

by | Last updated on January 24, 2024

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Except for the bush types, sweet peas are real climbers. Give them at least 6 feet of good support. Some varieties may climb to

9 or 10 feet

.

How tall will sweet peas grow?

out sweet peas

Pinch out the tips of young sweet pea when they reach about 10cm tall, to encourage bushy growth. You can buy sweet pea plug plants in spring. Plant them in fertile soil beneath a support, such as a wigwam made of bamboo canes. Most sweet peas will grow to

about 2m in height

.

Will sweet peas climb a pole?

Sweet peas are vining plants, and they'll need something tall to support them as they grow.

You can buy a trellis or you can simply sink a couple of sticks or bamboo poles into the container's soil

.

How do you climb sweet peas?

Sweet peas climb by

twining their tendrils around the support frame

, but it's helpful to guide them using sweet pea support rings. Keep an eye on your plants as they start to gallop away and keep tying them in as they grow. You'll need to do this every 7-10 days through the entire growing season.

How do you make a sweet pea trellis?

  1. 1 spool of Cotton Pea Twine.
  2. 4 – 2×2 wood poles (scrap 2×4's cut in half), roughly 7-8 feet long.
  3. 1 – scrap piece of wood for cross support.
  4. 2 screws for cross support.
  5. 2 bolts & 2 nuts (optional)
  6. Electric Drill – 1/8′′ drill bit (optional)

How do you make sweet pea wigwam?

First fill a large patio container with good quality multi-purpose compost. Or to grow your sweet peas in a flower border, fork in garden compost and a sprinkling of general fertiliser for an extra boost. Insert five or more 6ft/180cm bamboo canes to form a circle, tying the tops together with garden twine.

Do sweet peas need full sun?

Make sure you plant the sweet peas outside after the last frost date in your area.

Choose a spot in full sun or very light dappled shade

with rich, well-drained soil.

Do sweet peas come back every year?

Sweet peas (Lathyrus odoratus)

only live for a year

, dying after setting seed. But don't let this put you off as they are super easy to grow from seed. Perennial species such as Lathyrus latifolius come back year after year, but mostly lack fragrance and there are fewer to choose from.

What month do you plant sweet peas?

You can plant sweet peas from

October to March

. Sweet peas are hardy annuals so planting them in October or November will give them a head start and a chance to establish really strong root growth before being planted out in spring.

How do you train sweet peas for a fence?

If you want to grow them against a fence

put up some pea netting, which you can buy on roll from garden centres, or lean bamboo canes against the fence at 30cm intervals

. Once you've picked your spot, dig a trench about 30cm wide, fill it with well-rotted manure and cover it up.

How deep do sweet peas need to be planted?

Prepare a rich soil by mixing in generous amounts of compost or well-rotted manure to a depth of

2 feet

. (Learn more about soil amendments and preparing soil for planting.) Prior to planting, you're going to want to dig a nice deep “compost” trench of about 4 inches in depth.

Do slugs eat sweet peas?

Answer:

Young sweet peas are indeed a favourite of slugs and snails

. The best approach to control them is to use a mixture of techniques. Among these are placing scooped out half orange, grapefruit or melon skins, cut side down onto the soil to attract slugs and snails; check each day and empty them.

Can you grow sweet peas over an arch?

Sweet peas.


It depends on the girth of the arch you're going for

, but each of mine got about six sweet pea plants planted on either side. You can get sweet peas in the shops right now.

How do you train sweet peas for Canes?

Plant sweet peas in front of each cane. Let plants grow to 30cm (12in) and then select the strongest shoot and remove the rest. Tie shoot to cane and regularly pinch off side shoots and tendrils. When plants have reached the top of canes, untie and lay stems on the ground.

Will sweet peas climb up bamboo canes?


Professional growers and exhibitors for show tend to grow sweet peas as cordons – straight upwards and usually one plant per bamboo cane

. The advantage of this is that each plant can be suitably spaced, won't interfere with its neighbours and can easily be inspected for spent flowers.

How high should a pea trellis be?

The height of your trellis will depend on the size of pea you are growing. Snow peas don't grow very tall, so the trellis can be

4–5 feet tall, but most regular peas will need a 6–8 foot tall trellis

.

How do you train peas to climb?

How do you make a homemade trellis?

How do you make a climbing frame for peas?

Do you plant sweet peas inside or outside an obelisk?

Which way do sweet peas twine?

Are sweet peas toxic to dogs?


Any of these plants can be considered toxic to your dog, cat, or other small animals

. Although they sound like they should be edible, sweet pea plants are not food. As a matter of fact, they contain the toxic chemical called aminoproprionitrile, which causes musculoskeletal and central nervous system problems.

Will sweet peas grow in pots?


Sweet Peas can be very successfully grown in containers providing a few basic rules are observed

. These are; The container needs to be sufficient volume for the number of plants with a minimum size of 20 litres. Sweet Peas have a large root system and can easily become pot bound.

How often do you need to water sweet peas?

Sweet peas rarely need watering more than

once a week

, but you need to maintain even moisture throughout the growing season. They do not like hot weather, so water them regularly in the summer, but do it early in the day to prevent buds from dropping, yielding and fewer flowers, and to prevent plants from scorching.

Are sweet peas climbers?


Annual sweet peas are climbers

and need a support to grow up – usually trellis, netting, a teepee made with canes, a border obelisk or a garden arch. Put your chosen support in place and plant the sweet peas about 5cm from the base, around 15-20cm apart.

What do I do with sweet peas when finished flowering?

The seedpods don't begin to form until after the flower dies, so

the flowers must remain on the plant until they are dead

. Treat the rest of the plants in the garden as usual, deadheading to keep them blooming freely all spring.

What month do sweet peas flower UK?

The main flowering season for sweet peas is

June and July

but they can start earlier or go on later, depending on when you sowed and planted them . Keep watering, feeding and deadheading to prolong their season.

David Martineau
Author
David Martineau
David is an interior designer and home improvement expert. With a degree in architecture, David has worked on various renovation projects and has written for several home and garden publications. David's expertise in decorating, renovation, and repair will help you create your dream home.