
Nierembergia spp.
Cupflower
Cupflower is a tender perennial, which is grown and used as an annual in New Jersey. This genus offers several species to choose from, and many...
Description:
Cupflower is a tender perennial, which is grown and used as an annual in New Jersey. This genus offers several species to choose from, and many cultivars are available offering various shades of blue and purple. Perky, cup-shaped flowers bloom May to frost. Cupflower prefers consistently moist soil, and is not able to tolerate heat and humidity. Use mulch in your garden beds to keep the soil moist, and find a protected place along borders in your yard. Try planting Cupflower in your rock garden, mixed containers, and hanging baskets for a full season of enjoyment of this long-blooming plant.
Plant Details:
Other Common Names: Nierembergia
Plant Type: Flower, Annual
New Jersey Native: No
Bloom Times: Late Spring to Early Summer, Summer, Late Summer to Fall
Bloom Colors: Blue, Purple
Deer Resistance: Some
Attracts Pollinators and Wildlife: Butterflies
Salt Tolerance: Unknown
Hardiness Zone: 6a, 6b, 7a, 7b
Physiographic Region: All Regions in NJ
Soil Characteristics
Soil Type: Loam, Organic
Soil Moisture: Dry
Soil pH: Slightly Acidic, Neutral
Light Needs of Plant
Optimal Light: Full Sun
Light Range: Full Sun, Partial Shade
Water Needs of Plant
Soil Moisture: Dry
Drought Tolerance: High
Size and Growth Rate
Height: 0.5 - 1 ft
Spread: 0.5 - 1 ft
Growth Rate: Fast