Caragana Species, Black Karagana, Siberian Pea Tree, Yellow Acacia

Caraganaarborescens

Family
Fabaceae (fab-AY-see-ee)
Genus
Caragana (kar-uh-GAN-uh)
Species
arborescens (ar-bo-RES-senz)
Synonym
Caragana inermis
Caragana sibirica
Robinia caragana
Sun Exposure
Full Sun
Foliage
Deciduous
Height
10-12 ft. (3-3.6 m)
12-15 ft. (3.6-4.7 m)
Spacing
6-8 ft. (1.8-2.4 m)
8-10 ft. (2.4-3 m)
Hardiness
USDA Zone 2b: to -42.7 °C (-45 °F)
USDA Zone 3a: to -39.9 °C (-40 °F)
USDA Zone 3b: to -37.2 °C (-35 °F)
USDA Zone 4a: to -34.4 °C (-30 °F)
USDA Zone 4b: to -31.6 °C (-25 °F)
USDA Zone 5a: to -28.8 °C (-20 °F)
USDA Zone 5b: to -26.1 °C (-15 °F)
USDA Zone 6a: to -23.3 °C (-10 °F)
USDA Zone 6b: to -20.5 °C (-5 °F)
USDA Zone 7a: to -17.7 °C (0 °F)
USDA Zone 7b: to -14.9 °C (5 °F)
Danger
Plant has spines or sharp edges; use extreme caution when handling
Bloom Color
Bright Yellow
Bloom Time
Late Spring/Early Summer
Other Details
Category
Shrubs
Trees
Water Requirements
Average Water Needs; Water regularly; do not overwater
Foliage Color
Where to Grow
Bloom Characteristics
Bloom Size
Other details
Soil pH requirements
7.6 to 7.8 (mildly alkaline)
7.9 to 8.5 (alkaline)
Patent Information
Non-patented
Propagation Methods
From seed; winter sow in vented containers, coldframe or unheated greenhouse
From seed; direct sow after last frost
Seed Collecting
Bag seedheads to capture ripening seed
Allow pods to dry on plant; break open to collect seeds
Seed does not store well; sow as soon as possible
Regional

This plant is said to grow outdoors in the following regions:

Seward, Alaska

Two Rivers, Alaska

Amesti, California

Corralitos, California

Elkhorn, California

Interlaken, California

Pajaro, California

Watsonville, California

Peyton, Colorado

Wyanet, Illinois

Farmington, Maine

Amherst, Massachusetts

Minneapolis, Minnesota

Billings, Montana

Florence, Montana

Missoula, Montana

Silver Springs, Nevada

Spring Creek, Nevada

Farmington, New Mexico

Charlotte, North Carolina

Belfield, North Dakota

Medora, North Dakota

Duchesne, Utah

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Gardener's Notes:

8
positives
3
neutrals
1
negative
Sort By:
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K
K
Charlotte, NC (Zone 7b) | May 2016 | positive

Have grown in a container for a couple of years in Charlotte 7b and it survives hard freezes. No blooms yet, so am thinking it needs a bi...Read More

X
Farmington, NM | April 2013 | positive

Does well in NW New Mexico (where avg. annual precipitation is about 8 inches) with little to no irrigation once established. Evasiveness...Read More

V
| November 2012 | positive

It grows well in Scandinavia, and is used for hedges. However, it is not recommended since it is prone to powdery mildew. It would be int...Read More

A
A
Florence, MT | August 2012 | neutral

My Caragana hedge starts out great and full in the spring, then gets powdery mildew and starts loosing its leaves. Have sprayed with a c...Read More

R
Silver Springs, NV | October 2011 | positive

It also grows well in Northern Nevada. We have wind daily and sometimes very strong. This plant is a excellent wind break and as noted ab...Read More

J
Norwich, VT (Zone 5a) | May 2011 | positive

See the 'Pendula' cultivar for a version that is more attractive (to my mind) than the standard form, and also thornless. The seedpods an...Read More

J
J
Tridell, UT (Zone 4b) | July 2009 | positive

I love this shrub. Yes, it is thorny, but so are roses. The doves come every year to eat the seeds when the pods burst. During the dep...Read More

M
Blaine, MN (Zone 4b) | June 2009 | neutral

We were just up North camping and noticed this shrub because of the Hummingbirds . They were just nuts for them. Wouldn't leave them alon...Read More

S
Two Rivers, AK (Zone 1) | June 2007 | negative

I'm interested to see that this plant is considered invasive in Alaska. When we bought this house in 1999, the previous owners had just p...Read More

D
Saskatoon, SK (Zone 3a) | October 2006 | neutral

Caraganas are extremely hardy; they are tolerant of drought and extreme cold. They prefer full sull but can tolerate some shade, and als...Read More

B
SC, MT (Zone 5a) | August 2004 | positive

A good shrub for hiding fences, I use mine in rows to help with wind barriers along with evergreens. Once established, they don't requir...Read More

G
Omaha, NE (Zone 4b) | April 2004 | positive

This shrub is very hardy and can even be grown in a container large enough for the roots and live through the winter.

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