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Botanical Name
Zones 7 to 10, grown as an annual elsewhere
6 to 12 inches
6 to 12 inches
Summer: blue, violet, white
Full sun to part shade
Moist, well-drained, rich in organic matter
Planting & Care
  • Provide consistent moisture
  • Nierembergia benefits from light shade if grown in hot and dry climates
  • Best flowering occurs in cool summer climates
  • Mulch soil with a layer of organic matter to retain soil moisture and keep soil cool
  • Sow seeds directly outdoors a few weeks before the last frost date or indoors 8-10 weeks before last spring frost
  • Pinch plants for fuller growth
  • Deadhead for repeated bloom
  • Cut plants back during mid summer heat if flowering has declined, this will encourage flowering later in the season
  • Stem cuttings can be taken later in the season for overwintering indoors
None serious
  • Monte Blanc - white flowers, 6" tall, 1993 AAS Winner
  • Purple Robe - violet blue flowers, 8"
  • Regal Robe - deep purple flowers, 6"

Upcoming Webinars & Appearances

Feb. 4, 2023
WCBA's Home Building &
Remodeling EXPO

West Bend, WI

Feb. 10-12, 2023
PBS Wisconsin
Garden & Landscape EXPO

Madison, WI

June 3 – 11, 2023
“Castles & Gardens” Adventure in Ireland with Melinda Myers
Includes the Bloom Festival in Dublin!

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Affordable Food Gardening 

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