Gomphrena globosa ‘Atomic Purple’
Overview
Uses: Annual borders, cottage gardens, pollinator plantings, cutting gardens, mass plantings in sunny beds.
Benefits: Bright purple globe-shaped blooms hold their color for months and perform reliably in heat. Strong stems and long bloom duration make it excellent for fresh and dried arrangements.
USDA Hardiness Zones: Annual
Sun: Full Sun
Life Cycle: Annual
Growth Habit: Upright, Mounding — branching stems topped with globe blooms.
Bloom Color: Purple
Mature Height: 18–24 inches
Mature Width: 12–18 inches
Bloom Season: Summer through Frost
Growth Rate: Fast
Summary
‘Atomic Purple’ brings bold summer color that doesn’t fade when the heat sets in.
This vibrant selection of Gomphrena globosa produces vivid purple globe-shaped blooms on sturdy, upright stems that continue flowering until frost. Unlike many summer annuals that slow down in high temperatures, Globe Amaranth thrives in hot, sunny conditions and maintains steady color all season.
Its tidy, branching habit makes it ideal for borders, pollinator gardens, and cutting beds. The papery blooms also retain their color exceptionally well when dried, making this variety a dependable choice for both fresh bouquets and long-lasting arrangements.
Care
Globe Amaranth ‘Atomic Purple’ Care
Plant in full sun after all danger of frost has passed and soil temperatures have warmed. This plant performs best with strong light and good air circulation.
Grow in well-drained soil. Water consistently during establishment, then allow soil to dry slightly between waterings. Once established, it tolerates heat and brief dry periods well.
Feed lightly during the growing season with a balanced fertilizer or a slow release fertilizer to support continuous flowering.
Deadheading is optional but can encourage additional blooms. For dried arrangements, harvest fully colored flowers and hang upside down in a dry, shaded location with good airflow.
Container Growing Notes: Performs well in containers with excellent drainage and full sun exposure. Container plants may require more frequent watering during hot weather. Plants hardy in the ground may require winter protection when grown in containers in colder zones.
Size
What Size is the Globe Amaranth ‘Atomic Purple’ for Sale Online?
Plants are greenhouse-grown and shipped well-rooted in their grow pots, ready for planting in sunny beds or containers. For current sizing details, please contact us.
How Large Does Globe Amaranth ‘Atomic Purple’ Grow?
At maturity, plants reach approximately 18–24 inches tall and 12–18 inches wide, forming rounded mounds covered in bright purple blooms.
Additional Information
What are some common names for this plant?
Gomphrena globosa is commonly known as Globe Amaranth. It is a popular warm-season addition to annuals grown for long-lasting summer color.
Does Globe Amaranth attract pollinators?
Yes. The bright blooms are attractive to butterflies and other pollinating insects throughout the summer season.
Is this variety good for cutting or drying?
Yes. ‘Atomic Purple’ is especially valued in cutting gardens because the papery blooms retain their color well when dried. It pairs well with other plants in our annual vegetable plants and cut flower plantings for seasonal garden harvests.
Can Globe Amaranth be grown in containers?
Absolutely. With full sun and well-drained soil, it performs reliably in patio containers and mixed planters.
