Coreopsis grandiflora, also commonly known as largeflower tickseed, bigflower coreopsis, or common coreopsis, is a beautiful perennial wildflower native to North America, especially the south-central parts of the United States. It's also widely cultivated in China. 
 
* Florida Native: Yes
 * Size at Maturity: Reaches 2-3 feet tall
 * Growth Rate: Moderate
 * Phenology: Perennial
 * Bloom Season: May to October (long blooming season)
 * Leaf Type: Deep green, finely divided foliage
 * Sunlight Requirements: Full sun to part shade
 * Soil Texture: Prefers sandy soils but adaptable to various well-drained soils
 * Soil pH: Adaptable to a wide range of soil pH
 * Moisture Requirements: Average to moist, drought tolerant once established
 * Tolerance to Salt Spray: No
 
Recommended Landscape Uses: Borders, beds, containers, butterfly gardens, and wildflower gardens
 
Maintenance Tips: Low maintenance. Here's what you can do to keep your Coreopsis grandiflora thriving:
 * Deadhead spent flowers: This will encourage additional blooms throughout the season.
 * Divide clumps: Every 3-4 years in spring to maintain vigor and prevent overcrowding.
 * Water regularly during dry periods: Especially during the first growing season.
 * Apply fertilizer sparingly: If needed, a balanced fertilizer can be applied once in spring
 
Considerations: Generally low maintenance and pest-resistant
 * Wildlife Benefit: Attracts butterflies, bees, and other pollinators.
 * Toxicity to Pets: Non-toxic to pets
 * Edible: No medicinal uses are known.
 * Coreopsis grandiflora comes in various cultivars commercially; with flower colors ranging from bright yellow to golden orange. Some popular cultivars include 'Early Sunrise' (compact with large, golden-yellow flowers), 'Sunray' (double yellow flowers), and 'Moonbeam' (pale yellow flowers).
 * It's a popular choice for butterfly gardens and wildflower meadows due to its long blooming season and ability to attract pollinators.