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Alternanthera – Purple Knight – Alternanthera dentata

Garden Height
16 - 20
Spacing
18 - 36
Spread
18 - 36
Habit
Upright
Container Role
Filler
Flower Size
Tall
Light Level
Part Sun to Sun
Proven Selections

Heat Tolerant

Foliage Interest

Maintenance Notes

Easy Care.

Uses Notes

Containers and landscapes.

Maintenance Category Easy

Water Category Average

Bloom Time

Flower Form Container, Landscape

pH A - pH 5.5 - 5.8

EC (2:1 Extraction Method) 0.6 - 0.9

Fertilization 200 - 300

Light Requirements High

Water Requirements Moderate to Moist

Rooting Out Temperature 65 - 72° Fahrenheit

Growing On Temperature 65 - 72° Fahrenheit

Holding Temperature 50 - 60° Fahrenheit

Planting and Timing Information

Spring through Summer Finish. Standard PPP

Finishing Times [weeks]
4-5" and Quart Pot : 4-6
6" and Gallon Pot : 6-8
7-9" Pot : 7-9
10-12" and Two Gallon Pot : 10-12

Pinching and Growth Regulators

Pinching is not needed but may be used to shape and increase branching. PGRs may be needed, a light application may help control growth in small containers. Bonzi or Sumagic are effective. Do not use Cycocel.

Pest and Disease Management

General pest and disease practices as listed in notes.