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Amethyst Flower

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Amethyst Flower (Browallia americana)

Amethyst Flower is an easy, shade-friendly bloomer that keeps color coming when many summer beds lean mostly green. Its rich blue to violet flowers brighten low-light spaces and make containers look fuller without needing complicated combos. The plant naturally forms a soft, mounded shape, so it fills gaps quickly and reads clean from a distance. It is a dependable pick for long-season color from summer into fall, especially in part shade.

Distinctive Features

This warm-season plant produces an ongoing display of five-lobed, violet-blue flowers, often with a lighter center, held above deep green foliage. Bloom typically runs from mid-summer into fall, with new flowers continuing as long as nights stay warm and plants have steady moisture. The habit is bushy and well-branched, making it a strong filler in beds and a reliable performer in pots. In frost-free climates it can behave as a tender perennial and may reseed, while in colder regions it is usually grown as a seasonal annual.

Growing Conditions

  • Sun: Partial shade to shade, with morning sun or filtered light helpful for heavier flowering, and protection from hot afternoon sun in warm climates.
  • Soil: Rich, well-drained soil with added organic matter that holds even moisture.
  • Water: Moderate, keep soil consistently moist but not soggy, especially during hot weather and in containers.
  • USDA Zones: 10 to 11 as a tender perennial, typically grown as an annual outside this range.
  • Mature Size: About 12 to 24 inches tall and 12 to 24 inches wide.

Ideal Uses

  • Focal Point: Mass a single color in a shaded bed or large pot to create a cool-toned focal point that holds from summer into fall.
  • Shade Borders: Fill mid-border spaces where you want steady flower color without constant grooming.
  • Containers: Use as a main flowering plant in porch and patio pots for reliable color in bright shade.
  • Underplanting: Tuck beneath open-canopy shrubs where it can brighten the base and cover bare soil.
  • Pollinator Plantings: Add to late-season beds to support butterflies and other garden visitors in the summer to fall window.

Low Maintenance Care

  • Pinching: Pinch tips early to encourage branching and a fuller, more compact plant.
  • Watering: Water before plants wilt, because repeated drying reduces bloom and overall vigor.
  • Feeding: Feed lightly during the growing season, especially in containers, to support continuous flowering.
  • Grooming: Remove tired stems if needed to refresh the mound and keep the outline neat.
  • Placement: Site in bright shade or with afternoon protection in hot climates for the best performance.

Why Choose Amethyst Flower?

  • Long Bloom Season: Provides steady blue to violet color from summer into fall.
  • Shade Performance: Brings reliable flowering to part-shade areas where many annuals fade.
  • Easy Fullness: Naturally mounded, branching habit fills space quickly and looks finished.
  • Container Strength: Performs well in pots and mixed planters with consistent moisture.
  • Pollinator Value: Flowers attract butterflies and helpful insects, adding movement to late-season beds.

If you want dependable color in shade with minimal fuss, Amethyst Flower is a smart choice for beds and containers. Give it even moisture, rich soil, and protection from harsh afternoon sun, and it will keep flowering well into fall. It is an easy way to make shaded spaces feel brighter and more intentional.

OUR SIZING

Not sure what 2 inch B&B or 30 Gallon Clump really means? This guide breaks down all our plant size terms so you know exactly what to expect, whether you're ordering online or picking up at our nursery. From caliper measurements to container volumes, we've decoded our system to help you shop with confidence.

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