Botanical Name: Nierembergia 'Purple Robe'
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Common Name: Purple Robe Cup Flower  
Plant photo of: Nierembergia 'Purple Robe'
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Water Saving Tip:

Even though it's hot, your lawn only needs to be watered twice a week to stay healthy.

And don't water the whole lawn for a brown spot—drag out a hose.

  • Anatomy

  • Culture

  • Design

Plant Type

Annual

 

Height Range

Under 1'

 

Flower Color

Blue, Purple

 

Flower Season

Spring

 

Leaf Color

Green

 

Bark Color

n/a

 

Fruit Color

n/a

 

Fruit Season

n/a

Sun

Full, Half

 

Water

Medium, High

 

Growth Rate

Fast

 

Soil Type

Sandy, Loam

 

Soil Condition

Average, Rich, Well-drained

 

Soil pH

Acid, Neutral

 

Adverse Factors

n/a

Design Styles

English Cottage

 

Accenting Features

n/a

 

Seasonal Interest

Spring

 

Location Uses

Perennial Border, Raised Planter

 

Special Uses

Container

 

Attracts Wildlife

n/a

Information by: Stephanie Duer
Photographer: GardenSoft

  • Description

  • Notes

Purple Robe is a low-growing, mat forming plant grown in our area as an annual, though technically it is a perennial (it is not winter-hardy). Purple, bell shaped cups bloom mid to late spring; in cooler elevations it may bloom through the summer (bench areas and higher).
Grow in full sun to partial shade; in our hot, arid climate it will perform better with some mid to late day shade. Grow in well draining soil. Cut back hard after first flush of flowering slows to encourage more flowering. In our climate, this is best used in spring as flowering slows with the heat of summer.