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Spanish Flag

Botanical Name
Ipomoea lobata
Min Zone
9
Max Zone
11
Height
10 to 15 feet
Flowers
Summer to fall: tubular flowers held on one side in upright clusters, up to 20 per cluster, flowers are crimson-orange as they open and mature to butter yellow all along the cluster
Light
Full sun to part shade
Soil
Moist, well-drained
Planting & Care
  • Easily grown from seed
  • Seeds should be nicked (scarified) and soaked overnight before planting
  • Start seeds indoors 6 to 8 weeks before last spring frost
  • Harden-off and set transplants out in the garden after the last average frost date
Problems
None serious
Varieties
  • Citronella - flowers open deep yellow and mature to cream

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August 22
Mequon Nature Preserve
Mequon, WI
 

August 24
Sanger House Gardens
Milwaukee, WI
 

Sept. 14
Pasquesi Home & Gardens
Lake Bluff, IL

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