How Tall Does A Sweet Pea Shrub Grow?

about 3 to 5 feet.
This shrub grows in a loosely rounded mound that can be about 3 to 5 feet (1 to 1.5 meters) high and just as wide. Its attractive, grayish-green leaves are small—about an inch (2.5 centimeters) long—and they provide a pretty green canvas for this shrub’s brilliant display of purplish-pink, sweet pea-shaped flowers.

Is there a sweet pea bush?

Sweet pea shrub (Polygala × dalmaisiana) is a leggy, fast-growing broadleaf evergreen shrub with beautiful flowers. It is thought to be a hybrid between two South African species (P. opposistifolia and P. myrtifolia) and is sometimes known as Polygala myrtifolia grandiflora.

How tall do sweet pea plants grow?

6 feet
Sweet peas come in a huge array of colors and patterns. Most will grow to 5 or 6 feet, but there are shorter varieties “bush type” that are well-suited to containers. To extend the blooming season, choose a few different types.

How much space does a sweet pea need?

Plant sweet peas in full sun and well-drained soil.
When planting sweet pea seeds, Godfrey says they should be sown about one-inch deep and spaced three-to-four-inches apart to ensure they have plenty of space to grow.

Do sweet peas need to be cut back?

Prune the plants back to the ground in late winter or early spring before growth begins. Prune sweet pea plants with diseased foliage back to the ground in fall. Discard, don’t compost, the leaves and stems of diseased plants to reduce the risk of future disease problems.

Is a sweet pea shrub a perennial?

This tidy evergreen shrub is a tried and true perennial that is beloved by avid gardeners far and wide. It has vibrant purple-magenta, pea-like flowers that have a soft-pink central crest. In mild winter areas this beautiful bush blooms almost year-round.

How do you make sweet pea bushy?

Planting out sweet peas
Before planting, harden them off by putting them out in the day and returning them to a frost-free place at night. Pinch out the tips of young sweet pea plants when they reach about 10cm tall, to encourage bushy growth. You can buy sweet pea plug plants in spring.

How quickly do sweet peas grow?

Spring-sown sweet peas flower in 12-14 weeks. Sweet peas often have a hard seed coat making them more difficult to germinate.

Do sweet peas come back every year?

There are annual and perennial types of sweet pea flowers. The annuals, Lathyrus odoratus, are usually highly fragrant climbers that last for one season and have to be sown fresh every year. The perennial or ‘everlasting’ types, Lathyrus latifolius, come back every spring, but most have little to no scent.

Does sweet pea need a trellis?

Because Sweet Peas are vining, they need support to grow up and flower. Many types of structures can work such as a trellis, supports with mesh or twine, or fences. They need a structure that is well anchored in the ground to support the weight of the vines.

Where is the best place to plant sweet peas?

the sun
Sweet peas are happiest with their heads in the sun and their roots deep in cool, moist soil. When possible, plant low-growing annuals in front of them to shade their roots. Choose a well-drained site. Alkaline soil is best; sprinkle some powdered lime on the surface if your soil tends to be acidic.

Do sweet peas need sun or shade?

Sweet peas are sun-loving plants and will thrive in a position that receives plenty of sunshine. They may grow in light or dappled shade, but won’t flower as prolifically.

Will sweet peas grow up a fence?

Sweet peas develop curly tendrils that allow them to climb up fences and trellises, creating a magical feel. They are easy to grow in many climates with adequate preparation for the growing season.

Can you stop sweet peas growing too tall?

When the sweet peas have grown too tall for their supporting canes, untie all of them and lay the stems carefully on the ground, taking care not to snap the brittle stems. Next, re-tie stems to a cane further along the row, so the tip of the plant reaches about 30cm (12in) up its new cane.

Does cutting sweet peas encourage more flowers?

As the flowers open keep cutting; this stimulates further flower production. Never leave seeds to develop on the plants. Remember that sweet peas are annuals. If seeds develop they tell the plant that its work is done and the plant starts to die back.

Are sweet peas invasive?

Annual or Perennial
In many areas of North America, the perennial sweet pea (L. latifolius) is an invasive problem, clogging open fields and roadsides. It looks pretty until you realize it’s crowding out other plants and acting like a thug.

Can you trim a sweet pea bush?

Prune to the natural shape of the shrub. Head back sweet pea bushes in the early spring. Shear sweet pea bushes regularly to control their growth.

Is sweet pea shrub toxic to dogs?

Although the name “sweet pea” (Lathyrus latifolius and L. odoratus) sounds innocuous and lovely as can be, the family Fabaceae plants are actually toxic to various animals, including dogs.

Do hummingbirds like sweet peas?

A staple of cottage gardens because of their colorful and fragrant flowers, hummingbirds are also drawn to sweet peas, especially plants with red or pink flowers.

Should you remove sweet pea tendrils?

6. Remove the tendrils. The tendrils are used for climbing, and will wrap around anything for support. As we tie our sweet peas to canes, we remove the tendrils so they can’t wrap around the flower stems and bend them.

What can you not plant with sweet peas?

Just as there are good companion plants to grow with peas, there are also plants that will inhibit your peas from growing properly. Alliums like onions, garlic, and chives stunt the growth of peas. Avoid planting peas and alliums in the same garden beds.