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USDA Plant Hardiness Zones

To help gardeners understand which plants will grow well for them, the entire USA has been segmented into ‘Plant Hardiness Zones’. Knowing your zone number is helpful when shopping for plants because:

  • Cold-area gardeners can avoid buying plants that simply won’t survive their lowest winter temperatures.
  • Warm-area gardeners can steer clear of plants that need a period of cold weather in order to bloom again.
Find your Plant Hardiness Zone here.

Purple Shamrock Bulbs

 
Pink Purple Shamrock Bulbs, Oxalis triangularis, Purple Shamrock or Wood Sorrel

Regular Price: $17.98

Sale $11.99

per Bag of 15 You save: 33%
Shipping:
Shipping begins in late March based on ground temperatures, warmest zones first. Learn More…

This mounding plant boasts deep, almost black, shamrock-shaped foliage. Its contrasting, delicate pink blooms put on a show all summer long! Perfect for containers or a sunny spot in the garden. (Oxalis triangularis)

Zones 7 - 10
Advantages
Containers
Containers
Light Requirements
Full Sun
Full Sun
Mature Plant Size 4-6" tall
Bulb Spacing10 bulbs per sq. ft.
Bloom Time Early summer until frost
Size Bag of 15
SKU 36BULB10

Plant Information

Purple Shamrocks are a particularly interesting and beautiful member of the worldwide Oxalis family, which includes all the wood sorrels and lots of clover-leaved plants of all sizes and descriptions. 'Purple Shamrock' begins bloom in early summer and never stops until frost. Its almost black/purple foliage creates a unique and dramatic statement in the garden. Try these beautiful bulbs in the border of your sunny garden or in a container. They are extremely easy to grow; however, bulbs are tender and not winter hardy. If you want them to 'come back' and have heavy winters (receive killing frosts), lift them in fall and store for spring.
SKU 36BULB10
Common Name Purple Shamrock or Wood Sorrel
Botanical Name Oxalis triangularis
Zones 7, 8, 9, 10
Ships As Bulb, Rhizome, Tuber
Light Requirements Full Sun
Flower Color Pink
Mature Height 4-6" tall
Bulb Spacing 10 bulbs per sq. ft.
Planting Depth Plant 2-3" deep
Bloom Time Early summer until frost
Plant Type / Life Cycle Perennial
Planting Time Spring / Summer
Soil Type Loamy Soil, Drought/Dry Soil
Soil Moisture Dry, Average, Well Draining
Advantages Containers
Additional Information Can be grown as annuals in zones 2-5
Ships to Hawaii, Alaska & Canada No

Shipping

Shipping begins in late March based on ground temperatures, warmest zones first.

As soon as your order is placed you will receive an order confirmation email that will include your shipping information. We ship perennials and spring-planted bulbs at the proper planting time for your hardiness zone. Perennials 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 (877) 309-7333 or contact us by email.

You will receive a second email the day your order ships telling you how it has been sent. Your order is scheduled to arrive at your door, fresh and ready to plant, usually within 3-5 days of leaving our warehouse, depending on your shipping address. We pack our plants to withstand up to 10 days in transit, in the event transit is delayed. We cannot guarantee arrival on a specific day. Please make sure to open your package upon receipt and follow the instructions included.

View Shipping Rate Chart

Reviewsby PowerReviews

REVIEW SNAPSHOT®

by PowerReviews
American MeadowsPurple Shamrock Bulbs
 
4.3

(based on 11 reviews)

Ratings Distribution

  • 5 Stars

     

    (6)

  • 4 Stars

     

    (4)

  • 3 Stars

     

    (0)

  • 2 Stars

     

    (0)

  • 1 Stars

     

    (1)

90%

of respondents would recommend this to a friend.

Pros

  • Attractive (5)
  • Healthy (5)
  • Accurate instructions (4)
  • Hardy (3)
  • Lightweight (3)

Cons

No Cons

Best Uses

  • Indoors (4)
  • Outdoors (4)
    • Reviewer Profile:
    • Avid gardener (3)
    • Primary use:
    • Personal (5)

Most Liked Positive Review

 

Everyone wants to know what this is!

I love this plant because of the way it actively responds to sunlight, opening and folding its leaves. It reminds me that it is alive! People are always fascinated by it and ask...Read complete review

I love this plant because of the way it actively responds to sunlight, opening and folding its leaves. It reminds me that it is alive! People are always fascinated by it and ask about it and it's not easy to find. Thank you American Meadows!
My only frustration was that not all of the bulbs came up. I'd say about a quarter of them didn't. But this is a particularly beautiful variety with the black on the purple leaves.

VS

Most Liked Negative Review

 

Disappointing

Planted these in a pot. Out of 10 corms, 3 grew and even they were pretty sad. I was disappointed in their performance

Planted these in a pot. Out of 10 corms, 3 grew and even they were pretty sad. I was disappointed in their performance

Reviewed by 11 customers

Displaying reviews 1-11

Back to top

 
5.0

Good Potting Plant with annuals

By 

from Fuquay Varina, North Carolina

About Me Avid Gardener

Verified Reviewer

Pros

  • Attractive
  • Healthy

Cons

    Best Uses

      Comments about American Meadows Purple Shamrock Bulbs:

      Found best to plant in pots along with coleus, begonia. Will take time to grow to point of full leaf and flower by late summer. If pots get some sun and stay out of cold wind (in north Carolina) good chance of overwintering and reblooming. Does not like full sun here - does better in dappled shade by summer. You can move pots to adjust amount of sun.

      • Primary use:
      • Personal
       
      5.0

      love this plant

      By 

      from van buren, ar

      About Me Avid Gardener

      See all my reviews

      Verified Buyer

      Pros

      • Accurate Instructions
      • Attractive
      • Hardy
      • Healthy
      • Lightweight
      • not fussy

      Cons

        Best Uses

        • Outdoors
        • Patio

        Comments about American Meadows Purple Shamrock Bulbs:

        works great close to rocks and other natural elements
        really pretty deep purple foliage with small pink blooms

        • Primary use:
        • Personal
         
        5.0

        Beautiful and so easy

        By 

        from Burlington, Vermont

        About Me Avid Gardener

        See all my reviews

        Verified Buyer

        Pros

        • Accurate Instructions
        • Attractive
        • Hardy
        • Healthy
        • Lightweight
        • Versatile

        Cons

          Best Uses

          • Garden
          • Indoors
          • Lawn
          • Outdoors
          • Patio

          Comments about American Meadows Purple Shamrock Bulbs:

          I plant these every year and love them. please see my review on The Green Shamrock plants for more detail. Ridiculously easy to grow

          • Primary use:
          • Personal

          (2 of 2 customers found this review helpful)

           
          5.0

          My favorite

          By 

          from New York, New York

          About Me Getting Started

          Verified Reviewer

          Pros

          • Accurate Instructions
          • Attractive
          • Healthy

          Cons

            Best Uses

            • Indoors
            • Outdoors

            Comments about American Meadows Purple Shamrock Bulbs:

            These are doing well. It took at least 6 weeks to pop out of the ground, but they have been doing great ever since.

            • Primary use:
            • Personal

            (1 of 1 customers found this review helpful)

             
            5.0

            Purple Shamrocks

            By 

            from Venice, FL

            Verified Reviewer

            Comments about American Meadows Purple Shamrock Bulbs:

            Great color and every bulb is just beautiful!

            • Was this a gift?:
            • No
             
            1.0

            Disappointing

            By 

            from NJ

            Verified Reviewer

            Comments about American Meadows Purple Shamrock Bulbs:

            Planted these in a pot. Out of 10 corms, 3 grew and even they were pretty sad. I was disappointed in their performance

            • Was this a gift?:
            • No

            (1 of 1 customers found this review helpful)

             
            4.0

            coldmidwest

            By 

            from Howells, NE

            Verified Reviewer

            Pros

            • Almost retired

            Cons

              Best Uses

                Comments about American Meadows Purple Shamrock Bulbs:

                Here in zone 4/5, mine are growing on the north side of my house--come up every year, but to insure them, I dig up the corms every late fall, and store them in fridge. Replant in March under plant lights to have more plants. Love them.

                (2 of 2 customers found this review helpful)

                 
                4.0

                Everyone wants to know what this is!

                By 

                from North Braddock, PA

                Verified Reviewer

                Pros

                • Easy to Grow
                • Unusual

                Cons

                  Best Uses

                  • Houseplant in the north

                  Comments about American Meadows Purple Shamrock Bulbs:

                  I love this plant because of the way it actively responds to sunlight, opening and folding its leaves. It reminds me that it is alive! People are always fascinated by it and ask about it and it's not easy to find. Thank you American Meadows!
                  My only frustration was that not all of the bulbs came up. I'd say about a quarter of them didn't. But this is a particularly beautiful variety with the black on the purple leaves.

                  (1 of 1 customers found this review helpful)

                   
                  4.0

                  Wonderful plant

                  By 

                  from Pittsburg, CA

                  Verified Reviewer

                  Pros

                  • Easy indoor care
                  • Fast growing

                  Cons

                  • Invasive
                  • Toxic to dogs

                  Best Uses

                  • Indoors

                  Comments about American Meadows Purple Shamrock Bulbs:

                  Rizomes grow quickly and are easy to divide making them great to share with friends. Leaves fold downward after dark. Fabulous for a sunny indoor window as long as it's not too hot.

                  (1 of 1 customers found this review helpful)

                   
                  4.0

                  love the way it closes up at night.

                  By 

                  from haleyville,al

                  Verified Reviewer

                  Pros

                  • Bounces back if neglected
                  • Lucky plant
                  • Requires little upkeep

                  Cons

                    Best Uses

                    • I use kitchen window sell

                    Comments about American Meadows Purple Shamrock Bulbs:

                    my kitchen window looks great with this purple shamrock.it has sat in my window for about 7 years,never been transplanted just blooms with only once weekly water.i love the way she folds up her leaves at dark and opens them at daylight.recommend for anyone that doesn't have a green thumb.

                    (2 of 2 customers found this review helpful)

                     
                    5.0

                    beautiful, delicate, Magial

                    By 

                    from Los Angeles

                    About Me Getting Started

                    Verified Reviewer

                    Pros

                    • Accurate Instructions
                    • Attractive
                    • Hardy
                    • Healthy
                    • Lightweight
                    • Versatile

                    Cons

                      Best Uses

                      • Garden
                      • Indoors
                      • Irish gifts
                      • Lawn
                      • Outdoors

                      Comments about American Meadows Purple Shamrock Bulbs:

                      Oxalis triangularis
                      Two years ago I received a Shamrock plant for St. Patricks Day and I have been hooked ever since. I sent this to my sister as a gift and she was thrilled. Purple is her favorite color! The flowers are so delicate, truly magical!

                      • Primary use:
                      • Personal

                      Displaying reviews 1-11

                      Back to top

                      Q & A

                      Plant With These:

                      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:

                      Enter your Zip Code to find your USDA Planting Zone

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