Giant Star Potato Tree

Solanum macranthum

Family
Solanaceae (so-lan-AY-see-ee)
Genus
Solanum (so-LAN-num)
Species
macranthum (ma-KRAN-thum)
Synonym
Sun Exposure
Full Sun
Foliage
Evergreen
Smooth
Height
12-15 ft. (3.6-4.7 m)
Spacing
10-12 ft. (3-3.6 m)
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
Parts of plant are poisonous if ingested
Bloom Color
Lavender
Medium Purple
White/Near White
Bloom Time
Blooms all year
Blooms repeatedly
Other Details
Category
Shrubs
Trees
Tropicals and Tender Perennials
Water Requirements
Requires consistently moist soil; do not let dry out between waterings
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)
Patent Information
Non-patented
Propagation Methods
From seed; winter sow in vented containers, coldframe or unheated greenhouse
Seed Collecting
Collect seedhead/pod when flowers fade; allow to dry
Regional

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

Boca Raton, Florida

Brooksville, Florida

Cape Coral, Florida

Clearwater, Florida

Fort Lauderdale, Florida

Fort Pierce, Florida

Melbourne, Florida

Miami, Florida

Palm City, Florida

Port Saint Lucie, Florida(2 reports)

Saint Petersburg, Florida(2 reports)

Sarasota, Florida

Tampa, Florida(2 reports)

Houston, Texas

show all

Featured Videos

Gardener's Notes:

7
positives
3
neutrals
0
negative
Sort By:
Sort By:
F
| September 2022 | neutral

How to get the seeds of this plant ? I am staying in Thrissur, Kerala, India

L
L
Vero Beach, FL (Zone 10a) | June 2016 | positive

Nyeri from kuching, Malaysia wrote: Are the fruits poisonous? Can the plant be used as a rootstock for edible solanum?

Yes...Read More

L
| March 2016 | positive

I have just seen this plant in Taroudant, Morocco in a garden designed by Eric Ossart and Arnaud Maurieres. It is impressive and certain...Read More

K
Plainfield, CT | February 2016 | neutral

I was recently at a friend's house and noticed one of her plants was on it's last leg. I asked her if I could help tend to it and she sai...Read More

G
North Sarasota, FL | August 2015 | positive

This is a great plant that grows fast. It does well in the Sarasota
area of Florida. Also, they are easy to propagate from cutti...Read More

T
Tampa, FL (Zone 9b) | August 2015 | positive

Beautiful very fast growing tree - stunning specimen. Hard to find. Make sure you plant it in an area where it will never be waterlogge...Read More

N
N
| August 2014 | neutral

Are the fruits poisonous? Can the plant be used as a rootstock for edible solanum?
Any one have some experience on this. thanks

D
Santee, CA | July 2010 | positive

This small tree took a long time to get going from a 5 gallon pot - I almost pulled it out - but now is gorgeous and a real magnet for al...Read More

R
R
Port Saint Lucie, FL | January 2009 | positive

Everyone who sees my tree asks what it is! It is a show stopper. It is shallow rooted and can topple in a hurricane, but easy to get upri...Read More

T
Tampa, FL | September 2008 | positive

A wonderful tropical addition to a Florida garden. Likes full sun and grows quickly. Tends to branch from near the base-- leave "as is"...Read More

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Crimson Rosella
(Platycercus elegans)
Featured
Orchid Species
(Corybas pictus)
Anise Swallowtail
(Papilio zelicaon)
Crimson Rosella
(Platycercus elegans)