ALPINIA ZERUMBET VARIEGATA & ALPINIA PURPURATA

PLANT NAME: ALPINIA ZERUMBET VARIEGATA (VARIEGATED GINGER) & ALPINIA PURPURATA

PRODUCT FORM: CP 72 (VARIEGATA) & RC CLUMP (PURPURATA)

HARDINESS ZONE(S): 9-12. Root hardy in zone 8. zerumbet ‘Var. Ginger’ Growth Rates Varies by season, growing TEMPERATURE: Production in or above 65℉ + at night facility, and desired finish and 85℉ during the day for optimum growth. Below 50℉ height. will dramatically slow production time. Below 35℉ can result in cold burn. Frost will damage exposed leaves, but • 6” pot to finish = will not kill the plant. approximately 5-6 months. LIGHT LEVELS/INTENSITY: 50-65% shade will produce *Alpinia purpurata is not purpurata ‘Pink’* clean foliage and maintain coloration with good growth suitable for a 6” pot rates. Levels above 80% shade will produce semi-stretched foliage and may result in more green and less desirable • 8” pot to finish = variegation. Plants can be grown in full sun, but will require approximately 7-9 months more fertilizer and more attention to watering. Leaf rolling or curling indicates there is excessive light (or conditions are too dry). • 10” pot to finish = approximately 8-12 FERTILIZER: Use balanced fertilizer. Best if incorporated in months purpurata ‘Red’* soil mix. Maintain high levels of magnesium. Product Uses *Alpinia purpurata generally blooms about 18 mos. after DISEASES: Although it is rare, edges can burn if the soluble • Combo pots planting. It is frequently sold salts are kept too high or the plants have repeated dry with a picture tag with the cycles resulting in too much plant stress. • Large accent for mixed flower prominently beds displayed. They will also POTENTIAL PESTS: Fairly resistant but Aphids can flower much more quickly if sometimes infect young growth. • Understory planting in smaller pots, once rootbound they bud up easy. Tip: As long as high light SOIL MIXTURE WATER HUMIDITY levels are maintained, plants will readily form Well drained mix with Do not allow the soil to Ideal in a tropical ‘sucker shoots.‘ good water-holding become dry. Leaf rolling or situation, 50% during capacity. pH is best at curling indicates conditions the day. Growing in In the landscape, plants can pH 6-6.8. are too dry (or there is lower humidity would attain 8 ‘ plus and display a excessive light). Not a require additional drought tolerant plant. clump ‘habit’. *pH 6-6.8 is ideal. misting. RBB:071119-SU

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