Lycianthes, Blue Lycianthes, Blue Potato Bush, Paraguay Nightshade 'Royal Robe'

Lycianthesrantonnei

Family
Solanaceae (so-lan-AY-see-ee)
Genus
Lycianthes (lish-ee-AN-theez)
Synonym
Lycianthes rantonnetii
Solanum rantonnetii
Sun Exposure
Full Sun
Sun to Partial Shade
Foliage
Evergreen
Height
4-6 ft. (1.2-1.8 m)
6-8 ft. (1.8-2.4 m)
8-10 ft. (2.4-3 m)
10-12 ft. (3-3.6 m)
Spacing
36-48 in. (90-120 cm)
Hardiness
USDA Zone 9b: to -3.8 °C (25 °F)
USDA Zone 10a: to -1.1 °C (30 °F)
USDA Zone 10b: to 1.7 °C (35 °F)
USDA Zone 11: above 4.5 °C (40 °F)
Danger
Seed is poisonous if ingested
All parts of plant are poisonous if ingested
Bloom Color
Blue-Violet
Medium Purple
Bloom Time
Mid Spring
Late Spring/Early Summer
Mid Summer
Late Summer/Early Fall
Mid Fall
Other Details
Category
Shrubs
Tropicals and Tender Perennials
Water Requirements
Average Water Needs; Water regularly; do not overwater
Foliage Color
Where to Grow
Bloom Characteristics
This plant is attractive to bees, butterflies and/or birds
Bloom Size
Other details
Soil pH requirements
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)
7.9 to 8.5 (alkaline)
Patent Information
Non-patented
Propagation Methods
From semi-hardwood cuttings
Seed Collecting
N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed
Regional

This plant is said to grow outdoors in the following regions:

Cullman, Alabama

Kingman, Arizona

Mesa, Arizona

Phoenix, Arizona(2 reports)

Sun City West, Arizona

Surprise, Arizona

Alameda, California

Amesti, California

Antelope, California

Berkeley, California

Clovis, California

Concord, California

Corralitos, California

Dana Point, California

Elkhorn, California

Fallbrook, California(5 reports)

Garden Grove, California

Hanford, California

Interlaken, California

Irvine, California

Long Beach, California

Manhattan Beach, California(2 reports)

Ojai, California

Pajaro, California

Palm Springs, California

Pittsburg, California

Rocklin, California

Sacramento, California

San Diego, California(2 reports)

San Francisco, California

San Leandro, California

Watsonville, California

Winchester, California

Yorba Linda, California

Fort Pierce, Florida

Keystone Heights, Florida

Longwood, Florida

Naples, Florida

Palm Bay, Florida

Tampa, Florida

Braselton, Georgia

Kurtistown, Hawaii

Lexington, Kentucky

Las Vegas, Nevada

Leonardo, New Jersey

Newport, North Carolina

Liberty, South Carolina

Summerville, South Carolina

Fort Worth, Texas

Houston, Texas

Lubbock, Texas

Rowlett, Texas

San Antonio, Texas

show all

Featured Videos

Gardener's Notes:

9
positives
5
neutrals
0
negative
Sort By:
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D
Tampa, FL (Zone 10a) | January 2012 | positive

I have grown Lycianthes rantonnetii for years. It is very easy, trouble free. Low water needs once established. Prefers clay soil, in san...Read More

I
Tyringham, MA | May 2008 | neutral

I have potted up two of these plants and plan to keep them outside for the summer.

J
Las Vegas, NV | March 2008 | positive

I am in Las vegas and have a VERY harsh winter and a VERy hot summer. It died back in the winter to absolutely nothing and frankly, I wa...Read More

M
M
Buena Park, CA | March 2008 | positive

Bought this plant yesterday afternoon at WalMart, Garden Grove, California - was a little concerned since most of their plants had extre...Read More

M
M
MJ_
Palm Springs, CA | March 2008 | neutral

This morning I found this plant at Lowes in Palm Spring, CA. I'm looking forward to trying it here. Very pretty coloring.

M
Lexington, KY | September 2007 | neutral

I read that all parts of this plant are poisonous if ingested. I didn't know that when I bought it but my cats and it have lived happily ...Read More

S
| December 2006 | positive

I live in San Diego,CA and have 5 of these plants. They adapt to the climate here in Southern California as if they are native here. They...Read More

G
Summerville, SC | February 2006 | positive

I planted 3 of these plants (quart size) last spring. They grew to a little more than 3 feet tall. All of them have already begun to pu...Read More

F
Clovis, CA | August 2005 | positive

i live in the california valley and the blue potatoe vine (shrub) dies back in the winter its best if you protect it from freezing.
...Read More

B
Dacula, GA (Zone 7b) | March 2005 | positive

My DH bought me this plant for Mother's day last year. It was in a gallon pot. I transplanted to a 14" container and it grew to about 3...Read More

L
Phoenix, AZ | March 2005 | positive

This beautiful bush bloomed all year in phoenix but better in the spring and summer. I trained it as a vine but it reached over 12 feet u...Read More

C
King, NC | May 2004 | neutral

I found this plant at the Lowes Home Improvement in Winston-Salem, N.C. on university pkwy.

T
T
| March 2004 | neutral

I found this plant today at Wal-Mart in Stillwater, OK.

P
| January 2004 | positive

I grew this plant in my front yard a few summers ago. It bloomed vigorously all summer with small but noticable violet-blue flowers. Th...Read More

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