Ruby Leaf (Alternanthera dentata)

Common names:
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General Plant Information (Edit)
Plant Habit: Herb/Forb
Life cycle: Perennial
Sun Requirements: Full Sun to Partial Shade
Water Preferences: Mesic
Soil pH Preferences: Slightly acid (6.1 – 6.5)
Neutral (6.6 – 7.3)
Slightly alkaline (7.4 – 7.8)
Minimum cold hardiness: Zone 9b -3.9 °C (25 °F) to -1.1 °C (30 °F)
Maximum recommended zone: Zone 11
Plant Height: 12 to 36 inches
Plant Spread: 12 to 36 inches
Leaves: Evergreen
Other: Best foliage color is attained when grown full sun.
Flowers: Inconspicuous
Flower Color: White
Bloom Size: Under 1"
Flower Time: Late fall or early winter
Suitable Locations: Houseplant
Uses: Groundcover
Resistances: Humidity tolerant
Propagation: Other methods: Cuttings: Stem
Containers: Needs excellent drainage in pots

Cuttings root very quickly using the Forsyth Pot method.

Photo gallery:
Location: Savannah, Georgia, USADate: 2013-08-03Cuttings root very quickly using the Forsyth Pot method.
By greene
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Location: central IllinoisDate: 2017-08-09
By jmorth
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Location: central IllinoisDate: 2017-06-11
By jmorth
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Location: central IllinoisDate: 2017-06-06
By jmorth
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This plant is tagged in:
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Posted by greene (Savannah, GA (Sunset 28) - Zone 8b) on Sep 22, 2014 1:40 PM

This plant is ridiculously easy to propagate from cuttings. I purchased one plant for $3 and started taking cuttings, rooting them in a Forsyth Pot, and after only one season my total number of plants was 99. All from one $3 plant. (This was only an experiment; the plants were given away.)

The leaf color varies not only by the amount of sun the plant receives, but also by the PH variation in the soil. More lime in the soil produced much larger and much greener leaves.

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Discussion Threads about this plant
Thread Title Last Reply Replies
Wondering if this may be A. dentata by purpleinopp Jun 8, 2016 10:48 AM 2
What plant is this? by haushinka Jan 13, 2020 6:18 PM 5
Need id please(houseplant) by LeafyBean789 Sep 29, 2019 8:22 PM 9
ID please by yowie Jul 23, 2019 2:16 AM 9
Mystery plant by LadyC101 Jul 27, 2018 3:52 PM 6
Alternanthera-Fire Bug by carolem Apr 30, 2018 5:24 AM 2
Looking for a plant I had years ago - I don't know the name by Diane324 Apr 6, 2018 5:51 PM 4
I'm not certain but by plantladylin Aug 8, 2017 12:09 PM 2
unknown plant by jmorth Jun 11, 2017 5:15 PM 3
Do you recognize me? by plantladylin Aug 2, 2016 5:22 AM 4
Coleus new mildew disease by KarenKees Mar 7, 2016 12:44 PM 11

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