Lycianthes Species, Blue Potato Bush, Paraguay Nightshade, Blue Lycianthes

Lycianthes rantonnei

Family
Solanaceae (so-lan-AY-see-ee)
Genus
Lycianthes (lish-ee-AN-theez)
Synonym
Solanum coniculatum
Solanum muticum
Solanum rantonetii
Solanum urbanum
Sun Exposure
Full Sun
Foliage
Evergreen
Height
4-6 ft. (1.2-1.8 m)
Spacing
36-48 in. (90-120 cm)
Hardiness
USDA Zone 8b: to -9.4 °C (15 °F)
USDA Zone 9a: to -6.6 °C (20 °F)
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
Blooms repeatedly
Other Details
Category
Shrubs
Tropicals and Tender Perennials
Water Requirements
Average Water Needs; Water regularly; do not overwater
Requires consistently moist soil; do not let dry out between waterings
Foliage Color
Where to Grow
Bloom Characteristics
Bloom Size
Other details
Soil pH requirements
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
Patent Information
Propagation Methods
From semi-hardwood cuttings
Seed Collecting
Regional

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

Chuichu, Arizona

Phoenix, Arizona

Tucson, Arizona

Anaheim, California

Belmont, California

Berkeley, California

Brentwood, California

Carmel, California

Ceres, California

Dana Point, California

Gilroy, California

Grass Valley, California

Hayward, California

Highland, California

Lemoore, California

Lemoore Station, California

Manhattan Beach, California

Manteca, California

Martinez, California

Mentone, California

Merced, California

Orinda, California

Rancho Cucamonga, California

San Diego, California

Santa Cruz, California

Shasta Lake, California

Yorba Linda, California

Saint Petersburg, Florida

Atlanta, Georgia

Braselton, Georgia

Lawrenceville, Georgia

Downers Grove, Illinois

Fort Wayne, Indiana

Belle Chasse, Louisiana

Las Vegas, Nevada

Wolcott, New York

Willow Grove, Pennsylvania

Conway, South Carolina

Darlington, South Carolina

Beaumont, Texas

Dallas, Texas

Fort Worth, Texas

Houston, Texas

Humble, Texas

Katy, Texas

Manvel, Texas

New Braunfels, Texas

San Antonio, Texas

Bellevue, Washington

Shelton, Washington

Skokomish, Washington

show all

Featured Videos

Gardener's Notes:

7
positives
8
neutrals
0
negative
Sort By:
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D
Saint Petersburg, FL (Zone 10a) | April 2016 | positive

I grew this plant successfully in Alton, Illinois for several years. I brought it in in the winter. It was lovely. I now live in St. Pete...Read More

V
Pawleys Island, SC | April 2014 | neutral

I found this plant was available in CT when we lived there. We have since moved to SC and I have not been able to find it and the nursery...Read More

B
B
Downers Grove, IL (Zone 5a) | June 2011 | positive

Loved this plant!! Found it at Home Depot in 2010 and bought it. I stuck it in a huge pot out in my yard and it grew great.. full sun and...Read More

F
Gilroy, CA | January 2011 | positive

I planted my potatoe shrub 14 years ago. I live in Gilroy, Ca. and I get a good frost every year. The shrub has grown to over 10 feet tal...Read More

B
Santa Cruz, CA | October 2010 | positive

I live in Santa Cruz CA Zone 9 and have very well established blue potato shrubs. I have to constantly cut them back because they get hig...Read More

M
Mentone, CA | May 2010 | neutral

I agree with nunquam in Davis. This bush grows out of control here in Southern California. I'm planning to hack it into submission someti...Read More

A
San Diego, CA | December 2009 | neutral

Planted in June. Having problems. The leaves turn yellow and fall off the branches. I'm having a hard time deciding if they are getting t...Read More

M
Casa Grande, AZ | April 2007 | positive

I put this bush in my landscape two years ago and it was very leggy and sparse the first year. Last winter we had two weeks of very cold ...Read More

D
D
Ceres, CA | March 2005 | positive

I am looking to relocate my potato bush and was wondering if anyone had done this and had success

X
Fort Wayne, IN | October 2004 | neutral

Just bought the "bush." However, mine has been trimmed to resemble a tree. Is not in bloom, but I got it for only $5 at Lowe's on disco...Read More

J
J
Oakland, CA (Zone 9b) | April 2004 | neutral

I was visiting a friend and saw the most amazing specimen of this rather ordinary plant. Looks like it has actually grown into a substant...Read More

N
Davis, CA (Zone 9b) | February 2003 | neutral

The brilliant purple-ish flowers are lovely and very eye-catching. Blooms almost year-round, though only a smattering of flowers during ...Read More

J
Northern Piedmont, NC (Zone 7b) | August 2002 | positive

The Blue Potato Bush has performed excellent for me this year as a container grown plant.. It has bloomed continuously from spring thru s...Read More

S
Oklahoma City, OK (Zone 7a) | August 2002 | neutral

Prefers full sun. Grows quickly. In severe cold leaves drop and branch tips may die back. Prune to keep neat. Can be used in tailored...Read More

P
Westbrook, ME (Zone 5a) | May 2002 | neutral

This tropical shrub can be grown as a large container speciman. In summer and autumn it bears clusters of 1-inch dark blue to violet-purp...Read More

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