Oenothera macrocarpa

Missouri Evening Primrose

Yellow Oenothera macrocarpa, Oenothera macrocarpa, Missouri Evening Primrose

Missouri Evening Primrose has huge yellow flowers from late spring through the summer and attractive green foliage . Deep rooted and xeric, this prairie native is a long lived beauty. We grow an especially drought tolerant selection. Drought resistant/drought tolerant plant (xeric).

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Zones 4 - 8
Advantages
Native
Light Requirements
Full Sun
Full Sun
Annual Rainfall
Drought Resistant / Waterwise
10 to 20", 20 to 30", 30 to 40" (with care)
Bloom Time Summer
Shipping Shipping begins in late February based on ground temperatures, warmest zones first. Learn More…
SKU HBLC921

Details

10" tall x 18-24" wide (seed propagated). This native wildflower is renowned for the huge 4" yellow flowers that open each afternoon and close up the following morning. Long blooming throughout the summer months, it keeps going until it feels it has set enough seed pods to retire for the season. Long-lived, it forms a huge underground tuber to keep itself going from year to year. Evening Primrose cascades nicely over rocks and retaining walls. (Botanists have changed the name for this species from missouriensis to macrocarpa).
Associated SKUs
HBLC9XX
HBLC921 (Plant - 2.5" deep pot)
72150 (Plant - 5" deep pot) - Out of stock.
Common Name Missouri Evening Primrose
Botanical Name Oenothera macrocarpa
Zones 4, 5, 6, 7, 8
Light Requirements Full Sun
Flower Color Yellow
Mature Height 10" tall
Mature Spread 18-24" wide
Bloom Time Summer
Ships As Potted Plant
Native Yes
Planting Time Spring / Summer
Soil Type Clay Soil, Sandy Soil, Average Soil
Soil Moisture Drought Resistant / Waterwise
Amount of Rain 10 to 20", 20 to 30", 30 to 40" (with care)
Advantages Native
Ideal Region Anywhere In The US
Neonicotinoid-Free Yes - Learn More
Ships to Hawaii, Alaska & Canada No

Planting Guides

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

Plant Shipping: Buy now and we will ship your order at the ideal planting time for your region. Spring-Planted Perennial and Bulb orders will ship from February 27-June 30, warmest zones first. Most plant orders will arrive within 3-4 days, or less, of leaving our greenhouses. This prompt delivery is provided without additional express charges.

Grass Plugs Will ship at planting time in spring 2017, beginning in late February.

Wildflower Seed & Grass Seed Orders ship within 2-3 days.

Standard shipping costs are $4.99 and up, depending on the size of the order.

Make Fast Even Faster: For ‘Rush’ same week delivery, please call customer service at 800-925-9387.

More Shipping Info

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5.0

(based on 1 review)

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Reviewed by 1 customer

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(0 of 1 customers found this review helpful)

 
5.0

These flowers are Great!!!

By 

from SC

Pros

  • Live Forever

Cons

  • none

Best Uses

  • Filling Garden Space

Once again, great!

  • Was this a gift?:
  • No

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Q & A

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).

Find Your Planting Zone:

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