General Plant Information (Edit)
Plant Habit: Shrub
Life cycle: Perennial
Sun Requirements: Full Sun
Water Preferences: Mesic
Dry Mesic
Dry
Soil pH Preferences: Strongly acid (5.1 – 5.5)
Moderately acid (5.6 – 6.0)
Slightly acid (6.1 – 6.5)
Neutral (6.6 – 7.3)
Minimum cold hardiness: Zone 9b -3.9 °C (25 °F) to -1.1 °C (30 °F)
Plant Height: 4 to 8 feet
Plant Spread: 3 to 4 feet
Leaves: Deciduous
Flowers: Showy
Flower Color: Yellow
Bloom Size: 2"-3"
Flower Time: Late winter or early spring
Spring
Winter
Uses: Windbreak or Hedge
Erosion control
Wildlife Attractant: Bees
Butterflies
Resistances: Drought tolerant
Salt tolerant
Propagation: Other methods: Cuttings: Stem
Division
Pollinators: Bees

Image
Common names
  • Giant Coreopsis
  • Giant Tickseed
  • Tree Coreopsis

Photo Gallery
Location: At our garden - San Joaquin County, CA
Date: 2014-04-20
A very young Coreopsis gigantea
Location: San Diego Botanical Garden, Encinitas, California
Date: 2013-04-02
Location: San Diego Botanical Garden, Encinitas, California
Date: 2013-04-02
Location: Anacapa Island, California
Date: 2008-04-11
Location: In our garden - San Joaquin County, CA
Date: 2014-12-03
Coreopsis gigantea awakening from its dormancy
Location: San Diego Botanical Garden, Encinitas, California
Date: 2013-04-02

Photo courtesy of Annie's Annuals and Perennials
Location: Anacapa Island, Channel Islands, California

credit: Ximenex

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