Undemanding Siberian peashrub is ideal for hard-to-plant exposed locations or windbreaks.
The plant has attractive foliage, and yellow flowers appear in late spring.
The yellow blooms form slender brown seedpods in late summer.
Like many other plants in the pea family, Siberian peashrub can add nitrogen to the soil.
Siberian peashrub is also attractive to birds, which eat the seeds and nest in the branches.
Siberian peashrub is listed as a noxious weed in several Midwestern states.
Check with your local agricultural extension office before planting it.
Where to Plant Siberian Peashrub
Tough Siberian peashrub is undemanding.
Plant it in acid or alkaline soil, sun or partial shade, and moist or dry soil.
It grows inUSDA plant hardiness zones28.
This plant can handle poor sites.
It makes an ideal barrier hedge.
Site it away from walkways and play areas to avoid contact with the spiny branches.
How and When to Plant Siberian Peashrub
Plant a Siberian peashrub after thelast frost in spring.
Dig a hole twice as wide as the shrubs rootball and 2 inches deeper.
Amend the soil from the hole withcompost, andadd some sandif the soil doesnt drain well.
Put 2 inches of the amended soil in the bottom of the hole.
Water the plant immediately after planting and every other day for two weeks.
When planting several shrubs, space them 5 to 10 feet apart.
Siberian Peashrub Care Tips
After the shrub is established, care is minimal.
Soil and Water
Siberian peashrub grows inwell-drained soil, even when the soil is not fertile.
This shrub is an excellent choice for areas where deicing salt is an occasional hazard.
After it is established, Siberian peashrub requires little wateronce a week is usually sufficient.
It is drought-tolerant and doesnt do well in wet soil.
When it is hotter, the leaves might wilt and curl.
It goes dormant during cold weather.
As for humidity, 40-50 percent is the sweet spot for this shrub.
There is no need to over-prune; just maintain the shrubs shape.Use sterile toolswhile pruning.
If the shrub contractsleaf spot, remove and dispose of the damaged foliage.
Pruning the shrub to encourage good air circulation might prevent a recurrence.
How to Propagate Siberian Peashrub
Siberian peashrub can be propagated by seed.
Harvest the seeds from the seedpods on the Siberian peashrub in the fall.
They are best planted while they are ripe.
If the seeds have been stored, soak them in water for two days first.
They require a period ofcold stratification, so plant the seeds in a cold frame.
They should germinate in two to three weeks.
It is a grafted shrub with weeping branches reaching close to the ground.
Sutherland
Caragana arborescensSutherland is an excellent choice for a strong vertical statement in the landscape.
This columnar peashrub is 1220 feet tall with a 4-6 foot spread.
The yellow flowers appear in late spring, and the glossy brown bark adds winter interest.
Nana
Caragana arborescensNana is a dwarf Siberian peashrub with a maximum height of 36 feet.
Its branches are somewhat contorted and a bit spiny.
It is a slow grower.
It grows to 15 feet tall with a 10-foot spread.
It is an excellent specimen or accent plant.
Frequently Asked Questions
People and chickens can eat the peas, but people should cook them first.
With a few exceptions, most of these shrubs have a moderate-to-fast growth rate.
Dont be surprised if your Siberian peashrub grows 13 feet the first year after planting.
