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Cambridge Dinnerplate Dahlia

Dinner Plate Dahlia ‘Cambridge’ has 8-10 inch double yellow flowers stippled and streaked with red, resembling a giant, sunny bloom spun through with red paint. This plant grows to a stately 36-40 inches, making it a great choice for mid-summer color where height is desired. Plant tubers in the spring in compost enriched garden soil once the soil has warmed. Dahlias need full sun (at least 6 hours/day). Enjoy flowers from mid-summer through fall. Great as cut flowers, pollinators love them too. Hardy in zones 8-10. Grow as annuals elsewhere.

Zones8 - 10
Advantages
Easy To Grow
Attract Butterflies
Attract Hummingbirds
Good For Cut Flowers
Good For Containers
Extended Bloom Time (more than 4 weeks)
Light Requirements
Full Sun
Mature Plant Size36-40" tall
Bulb Spacing1 bulb / tuber per sq. ft.
Bloom TimeMid summer until frost
ShippingNo longer available this season. Learn More…
SizeBag of 3
SKUHC008715

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
HC008715
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Details

Eye candy for the mid-summer garden, Dinner Plate Dahlia ‘Cambridge’ will add pizazz to your yard with its dinner plate sized double blooms. At 8-10 inches across, these flowers are true standouts. Creamy to bright yellow petals shot through with bright red accents, they are among the tallest of the Dahlia genus at 36-40 inches tall.

Dinner Plate Dahlia ‘Cambridge’ looks elegant in a cutting garden where it can show off its mid-summer color. Agastache, Helianthus and ornamental grasses make nice companions. Hardy in zones 8-10. Grow as annuals elsewhere.

More Information
SKUHC008715
Common Name
Cambridge Dinnerplate Dahlia
Botanical Name
Dinnerplate Dahlia Cambridge
Item Package Size
Bag of 3
Flower Color
Red, Yellow
Light Requirements
Full Sun
Bloom Time
Mid summer until frost
Mature Height
36-40" tall
Bulb Spacing
1 bulb / tuber per sq. ft.
Planting Depth
Bulbs/Tubers should be planted 1" to 2" below the soil line.
Soil Type
Sandy Soil, Average Soil, Acidic Soil
Soil Moisture
Average, Well Draining
Ideal Region
Northeast, Southeast, Midwest, West, Southwest, Pacific Northwest
Advantages
Easy To Grow, Attract Butterflies, Attract Hummingbirds, Good For Cut Flowers, Good For Containers, Extended Bloom Time (more than 4 weeks)
Additional Information
Hardy in zones 8-12
Zones
8, 9, 10
Ships As
Bulb, Rhizome, Tuber
Item Unit Of Measure
Bulb
Poisonous or Toxic to Animals
Tubers and leaves are toxic if eaten in large amounts.
Planting Time
Spring / Summer
Ships To Canada
No
Planting Guides

Summer Blooming Bulbs, including popular varieties such as gladiolus and dahlias, are planted in the spring and bloom in the summer. Most of these bulbs are tropical and require warm weather to be planted. There must not be any danger of frost and your ground temperature must have reached 55 degrees Fahrenheit before planting. Many of our summer blooming bulbs can be planted as perennials in zones 9-10 (zone 8 if mulched), but should be treated as annuals in cooler climates. You can lift them and store them in the fall, or bring patio pots inside before frost. See page 15 of our Planting Guide for a bulb depth planting illustration. Read our article about How To Grow Dahlias.

Growing Dahlias: Plant Dahlia tubers after spring frosts in good garden soil with full sun. Dahlias must be protected from high winds, so we suggest you position them against a wall or be ready to stake them. Keep the plants well-watered and free of bugs, applying flower fertilizer as they grow. Your dahlias will be in full bloom by July or August, with the enormous flowers continuing to bloom until frost. As frost threatens, pull up the roots and trim off the stems. You can store the tubers in a cool dry place until the following spring.

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

No longer available this season.

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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