Euphorbia Blue Haze

Blue Haze Spurge

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Blue Haze is a hybrid herbaceous Euphorbia with bright chartreuse-yellow flowers in late spring. Its bright blue, evergreen foliage is equally ornamental. This sterile selection thrives in poor soils and hot, sunny growing conditions.

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Zones 6 - 10
Advantages
Deer Resistant
Deer Resistant
Rabbit Resistant
Rabbit Resistant
Easy to grow
Good for Containers
Extended Bloom Time (more than 4 weeks)
Evergreen
Evergreen
Good Rockgarden or alpine plant
Light Requirements
Full Sun
Full Sun
Annual Rainfall
1020
10 to 20"
2030
20 to 30"
3040
30 to 40" (with care)
Bloom Time Early to late spring
Shipping Buy now and we'll ship your order during the ideal planting time for your region. Orders with this item will begin shipping the week of Feb. 25 and continue through mid-June. Expected ship week will display at checkout after you enter your zip code. More shipping info. Learn More…
Size Plant - 5" deep pot
SKU 63204

Details

6-8" tall x 12-15" wide. This dazzling spring bloomer's electric, chartreuse-yellow flowers will light up any hot, sunny flower bed. When the flowers are done, the equally outstanding powder-blue, evergreen foliage will hold your interest year-round. 'Blue Haze' has a semi-spreading habit and is ideally planted in patio containers or in the front of the perennial border. A sterile hybrid, this is an excellent substitute for Euphorbia mysinites, an invasive species in the Western US. Plant 'Blue Haze' in your poorest, fastest draining soil, where it will always look good! (Cutting grown.)
SKU 63204
Common Name Blue Haze Spurge
Botanical Name Euphorbia Blue Haze
Zones 6, 7, 8, 9, 10
Light Requirements Full Sun
Flower Color Yellow
Mature Height 6-8" tall
Mature Spread 12-15" wide
Bloom Time Early to late spring
Ships As Potted Plant
Evergreen Yes
Planting Time Spring / Summer, Fall
Soil Type Sandy Soil, Average Soil
Soil Moisture Average, Well Draining, Drought Resistant / Waterwise
Amount of Rain 10 to 20", 20 to 30", 30 to 40" (with care)
Advantages Deer Resistant, Rabbit Resistant, Easy to grow, Good for Containers, Extended Bloom Time (more than 4 weeks), Evergreen, Good Rockgarden or alpine plant
Ideal Region Hot Desert, Southwest, West, Pacific Northwest
Neonicotinoid-Free Yes - Learn More
Ships to Hawaii, Alaska & Canada No

Planting Guides

Tips For Growing Euphorbia (Spurge)

Euphorbia (Spurge) is a huge genus of annual, perennial and succulent species that can be found worldwide. All Spurge have milky sap that can be very irritating to eyes, nose and mouth tissue. Some species have poisonous sap.  Handle with care. Rabbit and deer proof.
Preferred growing conditions:

  • Plant in a fast draining, infertile soil with full sun. Avoid clay soils. 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 recommended to prevent re-seeding, as some species can spread aggressively. Use gloves to protect hands from irritating sap.
  • Fertilize lightly in the fall with Yum Yum Mix.

Special comments

  • Succulent species have evergreen stems. Prune to shape in the spring if needed.
  • Cut back herbaceous species in late fall.

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. Expected ship week will display on the cart at checkout after you enter your zip code. Spring-Planted Perennial and Bulb orders will ship from Feb 25 through mid-June, warmest zones first.

Most plant and bulb orders arrive within 2-6 days, or less, of leaving our greenhouses in Colorado. This prompt delivery is provided without additional express charges.

Grass Plugs Will ship at planting time in spring, 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.

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Reviewsby PowerReviews

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High Country GardensEuphorbia Blue Haze
 
4.0

(based on 4 reviews)

Ratings Distribution

  • 5 Stars

     

    (3)

  • 4 Stars

     

    (0)

  • 3 Stars

     

    (0)

  • 2 Stars

     

    (0)

  • 1 Stars

     

    (1)

75%

of respondents would recommend this to a friend.

Pros

  • Hardy (3)
  • Healthy (3)

Cons

No Cons

Best Uses

  • Garden (3)
  • Outdoors (3)
    • Reviewer Profile:
    • Avid gardener (3)
    • Primary use:
    • Personal (4)

Reviewed by 4 customers

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5.0

Excellent for very hot, sunny areas at elevation

By 

from Reno, NV

About Me Avid Gardener

Verified Reviewer

Pros

  • Hardy
  • Healthy

Cons

    Best Uses

    • Garden
    • Outdoors

    Comments about High Country Gardens Euphorbia Blue Haze:

    Got 4 of these last spring as a gift. They arrived in beautiful condition and were planted promptly. I waited a year to write this review, to see if they would manage to last through a hot summer and a cold, snowy winter at 5500 ft elevation. They not only survived, they thrived, and are lovely in an area that's hot and relentlessly sunny. I do have granular, well draining soil, which Euphorbia prefer. 2 of the 4 bloomed the year they were planted, and it looks like all 4 will bloom this year.

    • Primary use:
    • Personal

    (1 of 1 customers found this review helpful)

     
    5.0

    Long bloom season, lovely foliage color

    By 

    from Spokane, WA

    About Me Master Gardener

    Verified Reviewer

    Pros

    • Attractive
    • Hardy
    • Healthy
    • Versatile

    Cons

      Best Uses

      • Garden
      • Outdoors

      Comments about High Country Gardens Euphorbia Blue Haze:

      Here in Spokane, I have this planted in a spot of poor soil with competition from tree roots (although it gets almost full sun), and it looks great. It came through a hard winter all right (I did cut the stems back to the ground in spring) and has been blooming for months. I appreciate that it's sterile and noninvasive, unlike some of its close cousins. Very colorful, low maintenance plant.

      • Primary use:
      • Personal

      (8 of 8 customers found this review helpful)

       
      5.0

      Always Beautiful, Even in Winter!

      By 

      from Kanab, Utah near North Rim Grand Canyon

      About Me Avid Gardener

      Verified Reviewer

      Pros

      • Accurate Instructions
      • Evergreen
      • Hardy
      • Healthy
      • Living Mulch

      Cons

        Best Uses

        • Garden
        • Outdoors
        • Patio
        • Pool Area

        Comments about High Country Gardens Euphorbia Blue Haze:

        In southern Utah high desert we also call Euphorbia "gopher plant" because it's purported to deter gophers. Whether or not it is truly a gopher repellent, it does look so pretty planted around the roots of other flowers, bushes and trees! And I have never known gophers to bother euphorbia or its neighbors, so maybe it's true. :)

        Other good reasons to plant at the base of larger plants is to shade their roots; the euphorbia acts as a living mulch that assists the taller plants in retaining soil moisture. AND it hides the ugly, dead, low-to-the-ground stems of bushes that are sometimes cut back hard, such as butterfly bush, Russian sage, some hibiscus and roses, etc.

        This euphorbia is so attractive, with slightly gracefully curving stems that remind me of slinkies trying to stand up! And the flowers are such an interesting color and shape, they always bring a smile to my heart.

        Best of all, it's truly, truly evergreen, doesn't even go a little bit dormant and dull. Yes, new growth will halt over the winter months, but the existing growth remains full and good-looking. We get a lot of foot traffic at our home (which is also a vacation rental for travelers), and these always-green stems help remind visitors where NOT to step.

        We are at 5000 feet, part of the Colorado plateau, very low humidity, 14 inches precipitation a year, wide temperature range from cold to hot, Zone 7. After a brief period of attention upon transplant, these hardy plants truly require NO care from us. Who doesn't want ZERO MAINTENANCE plants in their yard?!

        • Primary use:
        • Personal

        (4 of 4 customers found this review helpful)

         
        1.0

        They all died.

        By 

        from Borger, Texas

        About Me Avid Gardener

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          Cons

          • frail

          Best Uses

            Comments about High Country Gardens Euphorbia Blue Haze:

            This was supposed to be a hardy hybrid for the Texas Panhandle. They all died within 4 weeks. Not sure if it was the heat or what.

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            • Personal

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            Q & A

            Suggested Companion Plants:

            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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