Eriogonum umbellatum v. aureum Kannah Creek

Kannah Creek Sulphur Buckwheat

Kannah Creek Buckwheat hails from western Colorado. With a showy display of yellow flowers in late spring, the flowers age to shades of orange and rust by late summer, providing months of low care color. A 2007 Plant Select winner. Drought resistant/drought tolerant plant (xeric).
Zones3 - 8
Advantages
Attract Butterflies
Attract Birds
Bee Friendly
Native
Good For Dried Flowers
Groundcover
Evergreen
Good Rockgarden Or Alpine Plant
Winter Interest
Light Requirements
Full Sun
Annual Rainfall
10 to 20"
Mature Height12-15" tall
Mature Spread15-24" wide
Bloom TimeEarly to late summer
ShippingNow shipping to zones 2-10.
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SizePlant - 5" Pot
SKUHC014549

USDA Hardiness Planting Zones

To determine if a plant is sufficiently cold hardy, the USDA created numbered zones indicating winter low temperatures; the lower the zone number the colder the winter.

  • If the coldest winter temperature expected in your area is -15°F (zone 5) then any plants rated zones 3-5 will survive the winter temperatures in your area.
  • If you live in very warm winter areas (zones 9-11) plants with zones 3-4 ratings are not recommended. The lack of freezing winter temperatures do not provide a time for winter dormancy (rest).

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SKU
HC014549

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Details
Kannah Creek Buckwheat is an outstanding selection of our native Sulphur Buckwheat that provides four seasons of garden interest. In late spring through mid-summer, the plants are covered by clouds of bright yellow flower clusters that age to orange and rusty-red. As fall moves into winter, the handsome gray-green, evergreen foliage gradually changes to burgundy. This long-lived beauty will become an invaluable focal point in your Xeriscape. 2007 Plant Select Winner. 12-15" tall x 15-24" wide. (Seed propagated.)
More Information
SKUHC014549
Item Package Size
Plant - 5" Pot
Common Name
Kannah Creek Sulphur Buckwheat
Botanical Name
Eriogonum umbellatum v. aureum Kannah Creek
Zones
3, 4, 5, 6, 7, 8
Light Requirements
Full Sun
Flower Color
Yellow
Mature Height
12-15" tall
Mature Spread
15-24" wide
Bloom Time
Early to late summer
Ships As
Potted Plant
Evergreen Foliage
Yes
Soil Type
Sandy Soil, Clay Soil, Average Soil
Soil Moisture
Drought Resistant / Waterwise
Amount Of Rain
10 to 20"
Advantages
Attract Butterflies, Attract Birds, Bee Friendly, Native, Good For Dried Flowers, Groundcover, Evergreen, Good Rockgarden Or Alpine Plant, Winter Interest
Awards
Plant Select
Ideal Region
West, Western Only, Southwest, Pacific Northwest, Suitable Above 7000 ft
Planting Time
Spring / Summer, Fall
Native To
North America
Item Unit Of Measure
Plant
Ships To Canada
No
Planting Guides

Growing Eriogonum (Buckwheat)
Eriogonum (Buckwheat) is a large genus of mostly Western North American wildflowers that are often shrub-like with woody stems. They are very important plants for habitat creation in our gardens.
Preferred growing conditions:

Preferred growing conditions:

  • Plant in "lean" sandy, gravelly or garden loam soils. Avoid clay. Place in full sun.
  • Mulching is beneficial in the arid Western US using crushed gravel, pine needles or other coarse, non-water absorbent mulch material.
  • Irrigate regularly during their first growing season to establish the plants. Infrequent, deep watering is fine from the second growing season and beyond. They won't need much, if any extra water in the Eastern US.
  • Fertilize lightly in fall with Yum Yum Mix/compost blend.

Special comments:

  • Don't deadhead. Many species have very showy seed heads that are lost when plants are deadheaded. Seeds are also utilized by many insects and animals for food.
  • Most species are actually shrub-like and should not be cut back or divided. A light top shear in early to mid-spring to remove the previous year's flowers stems is all that is needed

View more Planting Guides, or download our complete Planting Guide for tips on caring for your plants when you receive your order, as well as planting instructions for Perennials, Spring-Planted Bulbs, Fall-Planted Bulbs, Cacti & Succulents, Xeric Plants and more.
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