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Oenothera fremontii Shimmer

Shimmer Evening Primrose

Shimmer' is all about foliage, flowers, and texture. Blooming with 3-inch bright lemon-yellow flowers in late spring, the plant re-blooms during the summer months. The narrow leaves are pewter-gray and very attractive. Drought resistant/drought tolerant plant (xeric). A High Country Gardens introduction; Discovered in the garden of Lauren Springer Ogden. 2007 Plant of the Year.
Zones4 - 8
Advantages
Native
Light Requirements
Full Sun
Annual Rainfall
10 to 20"
20 to 30"
30 to 40" (with care)
Mature Height6-8" tall
Mature Spread15" wide
Bloom TimeLate spring to late summer
ShippingShipping begins the week of September 2nd, 2019 Learn More…
SizeNo
SKUHC016178

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
HC016178
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Details
Shimmer' is about foliage, flowers, texture and an exciting new look in the world of native plants. Originally discovered by Lauren Springer Ogden and Scott Ogden, this new evening primrose cultivar is an attention-getting plant in and out of bloom. A burst of 3" diameter, lemon-yellow flowers light up the plant in late spring, followed by flashes of flowers throughout the summer. The extremely narrow gray-green, almost silver leaves have such incredible texture that it is invaluable when contrasting with other colors and types of foliage. I recommend pinching the stem tips several times in spring to create more branching and "thicken up" the plant with more foliage. Good for Firescaping. Try companion plants such as Lavender 'Mitcham Grey,' Gaillardia and Salvia 'Wild Thing.' (cutting propagated). 2007 Plant of the Year.
More Information
Associated SKUsHC016178
HC014177 (Plant - 5" Deep Pot)
Common Name
Shimmer Evening Primrose
Botanical Name
Oenothera fremontii Shimmer
Zones
4, 5, 6, 7, 8
Light Requirements
Full Sun
Flower Color
Yellow
Mature Height
6-8" tall
Mature Spread
15" wide
Bloom Time
Late spring to late summer
Ships As
Potted Plant
Soil Type
Sandy Soil, Clay Soil, Average Soil
Soil Moisture
Drought Resistant / Waterwise
Amount Of Rain
10 to 20", 20 to 30", 30 to 40" (with care)
Advantages
Native
Awards
Perennial Plant of the Year
Special Groups
High Country Gardens Introduction
Ideal Region
West, Southwest
Planting Time
Spring / Summer, Fall
Neonicotinoid Free
Yes - Learn More
Native To
North America
Item Unit Of Measure
Plant
Ships To Canada
No
Planting Guides
Oenothera (Evening Primrose) - a huge genus of biennials and perennials native to the Western hemisphere. Flowers are in shades of yellow, pink and white. Pollinated primarily by hawk moths. Flowers open in the afternoon and close by late morning the next day.

Preferred growing conditions
  • Plant in low fertility ("lean") soil including dry clay, positioned in full sun. Mulch with gravel or not at all.
  • Water regularly the first growing season to establish the plant. Thereafter, infrequent but deep watering is all this plant needs.
  • Deadheading is not needed as these are naturally long blooming species. Fertilize lightly in the fall with Yum Yum Mix.

    • Special comments
  • Oenothera are tap rooted plants and does not like to be transplanted once established. Don't divide as they resent having their roots disturbed.
  • Leave standing over the winter and cut back hard, leaving 2 to 3 inches of stems above ground.
  • O. speciosa 'Rosea' is a showy everblooming species that can spread aggressively and should not be planted into areas where it's enthusiastic nature can be a problem. Deadheaded to reduce reseeding. Dig out suckering roots when spreading too wide.
  • Watch for flea beetles (small metallic green beetles) which can defoliate the plants in late spring/early summer.
    • 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.
Shipping
ZoneShipping Status
Zone 2Shipping begins the week of September 2nd, 2019
Zone 3Shipping begins the week of September 2nd, 2019
Zone 4Shipping begins the week of September 2nd, 2019
Zone 5Shipping begins the week of September 9th, 2019
Zone 6Shipping begins the week of September 16th, 2019
Zone 7Shipping begins the week of September 23rd, 2019
Zone 8Shipping begins the week of September 30th, 2019
Zone 9Shipping begins the week of October 7th, 2019
Zone 10Shipping begins the week of October 14th, 2019

As soon as your order is placed you will receive a confirmation email. You will receive a second email the day your order ships telling you how it has been sent. Some perennials are shipped as potted plants, some as perennial roots packed in peat.  The ‘Plant Information’ section describes how that item will ship. All perennials and spring-planted bulbs are packaged to withstand shipping and are fully-guaranteed. Please open upon receipt and follow the instructions included.

Perennials and spring-planted bulbs are shipped at the proper planting time for your hardiness zone. Perennial and spring-planted bulb orders will arrive separately from seeds. If your order requires more than one shipment, there is no additional shipping charge. See our shipping information page for approximate ship dates and more detailed information. If you need express shipping or have any questions, please call Customer Service toll-free at (800) 925-9387 or contact us by email.

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