Alert Aster

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SKU
AM013933

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'Alert' Aster is a dwarf variety, growing to only 12 inches tall. In late summer its' neat, compact, mounding habit is covered with brilliant purple to crimson flowers with striking yellow centers. One of the best perennials to insure late season blooms. (Symphyotrichum dumosum)
Zones 4 - 8
Advantages
deer-resistant
Deer Resistant
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Native
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Great For Mass Plantings
multiplies--naturalizes
Multiplies / Naturalizes
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Easy To Grow
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Low Maintenance
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Good For Cut Flowers
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Plants For Small Spaces
rabbit-resistan
Rabbit Resistant
Light Requirements
full-sun
Full Sun
half-sun--half-shade
Half Sun / Half Shade
Mature Height 12" tall , 14-18" wide
Bloom TimeLate summer to fall
Item Package SizePlant - 3" Pot
SKUAM013933

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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Plant Information

'Alert' Aster is a member of the famous dwarf aster group. Growing a dwarf aster is one of the very best ways you can assure some fall blooms for your meadow or garden. They are simple to handle and hardy as oaks. 'Alert' Aster stays short, and will fill it's space with a neat, low green tuft that bursts into bloom in late summer with deep purple to crimson, starry flowers. After about two years, you can dig up two or three plants, and divide them into twenty...and then replant yourself a huge patch, or have yards of edging.

The dwarf Aster dumosis (now Symphyotrichum dumosum) hybrids resulted from a cross between wild Aster nova novi-belgii, the much taller New York Aster, with another wild aster from the Pacific northwest.

More Information
SKUAM013933
Item Package Size
Plant - 3" Pot
Common Name
'Alert' Hardy Aster
Botanical Name
Symphyotichum dumosum 'Alert'
Zones
4, 5, 6, 7, 8
Light Requirements
Full Sun, Half Sun / Half Shade
Flower Color
Red
Flower Size
1-2" flowers
Mature Height
12" tall
Mature Spread
14-18" wide
Bloom Time
Late summer to fall
Planting Depth
Crown of plant should rest just at or above the soil surface after watering in.
Ships As
Potted Plant
Soil Type
Loamy Soil, Well-Drained Soil
Soil Moisture
Average, Moist / Wet
Tolerates
Heat, Dry Sites
Advantages
Deer Resistant, Native, Great For Mass Plantings, Multiplies / Naturalizes, Easy To Grow, Low Maintenance, Good For Cut Flowers, Plants For Small Spaces, Rabbit Resistant
Planting Time
Spring / Summer, Fall
Neonicotinoid Free
Poisonous or Toxic to Animals
Can be a skin irritant.
Native To
North America
Ships to Hawaii, Alaska & Canada
No
Shipping

No longer available this season.

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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 and all items are shipping to the same address, there is no additional shipping charge. See our shipping information page for approximate ship dates and more detailed information. If you have any questions, please call Customer Service toll-free at (877) 309-7333 or contact us by email.

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