Weeping Siberian Pea Shrub Tree Form

Caragana arborescens 'Pendula'

Nature Hills Nursery

Extreme Cold Hardiness: Thrives in USDA Hardiness Zones 2-7, making it one of the few weeping ornamentals capable of surviving temperatures down to -50°F.
Compact Footprint: Maintains a mature height of 4-6 feet and a spread of 3-5 feet, perfect for small urban yards or tight garden corners.
Environmental Resilience: Highly tolerant of high-pH (alkaline) soils, road salt, and urban pollution.
Pollinator Support: Produces nectar-rich yellow blooms in May and June that attract bees and butterflies.

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Planting & Care

Where to Plant

Sunlight: This shrub thrives in full sun, requiring at least six to eight hours of direct light daily. While it can tolerate light shade, you will notice fewer of the signature yellow pea-like blooms and a less dense weeping habit if it lacks sufficient sun.
Soil: It is remarkably adaptable but prefers well-drained soil. If you are dealing with heavy clay, mix in some organic compost to improve drainage, or plant it in a slight mound to keep the roots from sitting in "wet feet," which can cause root rot.

Watering Requirements

For the first year, water your tree twice a week to ensure the root system establishes deeply. Once mature, the Weeping Siberian Pea Shrub is exceptionally drought-tolerant, but providing a deep soak during extreme summer heat prevents the foliage from yellowing or dropping early. Inconsistent watering during the heat of July can lead to smaller leaf size and a generally stressed appearance.

Pruning Tips

Since this tree is grafted onto a standard trunk, you should prune in late spring immediately after the flowers have faded. This plant blooms on old wood, so pruning too early in the spring will remove the season's flowers. Focus on thinning out the interior "nest" of branches to improve airflow and trim the trailing stems if they begin to touch the ground to maintain a clean, umbrella-like silhouette.

Fertilizer Needs

Apply a balanced, slow-release fertilizer in early spring just as new growth begins to emerge. Avoid using high-nitrogen fertilizers late in the summer because this encourages tender new growth that won't have time to harden off before the first frost. This late-season growth is easily damaged by winter temperatures, which can lead to dieback at the tips of your weeping branches.

Delivery and Shipping

Preorder Shipping Schedule

We ship your plants when it's safe to transport them to your zone. Dates are estimated and subject to weather delays.

Zone 3-4	Week of March 30th
Zone 5	Week of March 16th
Zone 6	Week of March 2nd
Zone 7-12	Week of February 23rd

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Under $50	$9.99
$50 - $99.99	$14.99
$100 - $149.99	$16.99
$150 - $198.99	$24.99
$199+	FREE

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If you are looking for a high-impact architectural specimen that laughs at sub-zero temperatures, the Weeping Siberian Pea Shrub Tree Form (Caragana arborescens 'Pendula') is a masterclass in landscape versatility. Often referred to as the Weeping Caragana, this grafted standard is a "living waterfall" that brings dramatic vertical interest to even the smallest garden plots.

A Cascading Masterpiece of Texture and Color

The standout feature of this specimen is its weeping habit. Slender branches arch gracefully from the top of a sturdy trunk, draped in bright green, pinnately compound foliage that looks remarkably like a fine-textured fern. In late spring, the canopy is punctuated by clusters of cheery, bright yellow, pea-like flowers. These blooms are not just for show; they are rich in nectar and serve as an early-season magnet for pollinators. As the season transitions into fall, the foliage may take on a yellow hue before dropping to reveal the intricate, architectural branching structure that provides winter interest against the snow.

Siberian Toughness for Modern Landscapes

Don't let its delicate, weeping appearance fool you. True to its name, Caragana arborescens originated in the harsh climates of Siberia and Mongolia. This heritage makes it one of the most rugged ornamental trees available. It is exceptionally cold-hardy and possesses a rare tolerance for alkaline soils, high salt spray, and drying winds. Because it is a member of the Fabaceae (legume) family, it is also a nitrogen-fixing plant, meaning it can actually improve the soil quality where it is planted.

Versatile Landscape Applications

Because it is grown in a "Tree Form"—meaning the weeping variety is grafted onto a straight trunk (standard)—it maintains a predictable height. This makes it an ideal choice for framing an entryway, adding height to a perennial border, or serving as a sophisticated focal point in a large patio container. It’s a perfect solution for "hell strips" or coastal gardens where poor soil and wind often discourage more sensitive species.

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Growing Zones 2-7

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Frequently Asked Questions

What is the best planting time and method for the Weeping Siberian Pea Shrub?

Early spring or fall is ideal for planting to allow the root system to establish without the stress of extreme heat. Dig a hole twice as wide as the root ball but no deeper. Ensure the graft union (the bump on the trunk) is well above the soil line and mulch heavily to retain moisture during the first year.

What are the watering and fertilizing needs for this tree?

While exceptionally drought-tolerant once established, it requires regular watering (about once a week) during its first two growing seasons. Because it is a nitrogen-fixing plant, it rarely requires heavy fertilization; a light application of a balanced slow-release fertilizer in early spring is usually sufficient.

How should I handle pruning requirements?

Pruning is primarily done for aesthetics. You can "haircut" the weeping branches if they begin to touch the ground. It is also vital to remove any "suckers" or shoots that grow from the base of the trunk or along the trunk below the graft, as these belong to the rootstock and will not have the weeping habit.

Does this plant have strong deer and pest resistance?

Yes, the Weeping Siberian Pea Shrub is considered highly deer-resistant due to its slightly bitter sap and tough foliage. It is generally pest-free, though in very hot, dry climates, it may occasionally be susceptible to spider mites or aphids, which can be managed with a strong blast of water or insecticidal soap.

Is the Weeping Siberian Pea Shrub suitable for container growing?

Absolutely. Because of its grafted "Standard" form and limited mature size, it is an excellent candidate for large, well-draining pots. Ensure the container is made of a frost-proof material like thick resin or glazed ceramic if you plan to leave it outdoors in colder zones.

Weeping Siberian Pea Shrub Tree Form