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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.
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Balloon Flower Astra Double White

White Balloon Flower Astra Double White, Platycodon grandiflorus Astra Double White, Balloon Flower



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White, cushion-shaped buds open into double, white, bell-shaped flowers. Brighten up your summer perennial planting with this beauty. (Platycodon grandiflorus)

Zones 3 - 8
Light Requirements
Full Sun
Full Sun
Half Sun / Half Shade
Half Sun / Half Shade
Mature Plant Size 8-10" tall, 12-18" wide
Bloom Time Mid to late summer
Size Bag of 3

Plant Information

Easy-to-grow Balloon Flowers were one of grandmothers favorites. The Platycodons have been around forever, and some of their biggest fans are children. They love to watch the balloons form (the buds) and then swell each day until suddenly, one special day, the pop open. These beautiful old-fashioned flowers are lovely in the garden and fine in the vase.
Common Name Balloon Flower
Botanical Name Platycodon grandiflorus Astra Double White
Zones 3, 4, 5, 6, 7, 8
Light Requirements Full Sun, Half Sun / Half Shade
Flower Color White
Mature Height 8-10" tall
Estimated Mature Spread 12-18" wide
Bloom Time Mid to late summer
Planting Depth Plant so that the top of the root is 1" below the soil line.
Ships As Bare Root
Planting Time Spring / Summer
Soil Type Loamy Soil
Soil Moisture Average, Well Draining
Advantages Groundcover
Ships to Hawaii, Alaska & Canada No


Now shipping all orders within 5 business days.

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.

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Reviewsby PowerReviews


by PowerReviews
American MeadowsBalloon Flower Astra Double White

(based on 4 reviews)

Ratings Distribution

  • 5 Stars



  • 4 Stars



  • 3 Stars



  • 2 Stars



  • 1 Stars



Reviewed by 4 customers

Displaying reviews 1-4

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(1 of 1 customers found this review helpful)


Wrong shipment


from Hendersonville, NC

Verified Reviewer

Comments about American Meadows Balloon Flower Astra Double White:

Actually, my double whites turned out to be blue and NOT double. I'm now overloaded with blue. Would appreciate a replacement. Big disappointment.
John Mazurowski.

  • Was this a gift?:
  • No

Florida summer proved too much.


from Newbury Park California

Comments about American Meadows Balloon Flower Astra Double White:

Gift for my Dad. Plants started out great, but the way too hot summer in Florida proved too much. Not the product, just mother nature.


very nice


from Youngstown, NY




    Best Uses

    • A must have

    Comments about American Meadows Balloon Flower Astra Double White:

    you can't go wrong with this Astra.
    buy at least two.


    Fast starter, beautiful flowers


    from St. Paul, MN

    Verified Reviewer


    • Classic white
    • Emerges quickly


      Best Uses

        Comments about American Meadows Balloon Flower Astra Double White:

        I planted these and the blue variety at the same time. The white emerged faster and flowered earlier and longer than the blue variety. I also ordered 6 and all 6 not only grew quite well for their first year, but produced numerous flowers. I planted mine in a mulched, full sun bed. It is a taller variety than other balloon flowers I own and after a little while the stems would fall (think Anabelle hydrangea) which makes it great for mixing with denser plants that are around 6-10" tall.

        Displaying reviews 1-4

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        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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