Category: Phalaenopsis

PHALAENOPSIS: Light Requirements

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago A very dark day in Illinois produces about 500fc; grow your phalaenopsis at 600 to 800fc. OD73-158Provide only a little less light than for cattleyas; use 1,500 to 2,000fc. A70-798 Read More

PHALAENOPSIS: Minimum Optimums

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Temperature at night: 65 deg.F.; relative humid ity 60 to 70%; footcandles in winter: 500 to 1,000, and in summer: 1,500 to 2,000. AU71-135 Read More

PHALAENOPSIS: Octoploid with 152 Chromosomes

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Its characteristics compared with a triploid were, a sturdy upright spike, flowers with extremely heavy substance, overlapping tepals; considered valuable for breed- ing with tetraploids. P68(l)-7+ Read More

PHALAENOPSIS: Plant Lets Growing At Base

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Cut them off and plant separately when their roots are from one to two inches. A78-812 Read More

PHALAENOPSIS: Repot One Pot Inside Another

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago If the bark is firm and there are aerial roots, train the roots down and place in a slightly larger pot and fill the space with bark. FR111+ Read More

PHALAENOPSIS: Repotting

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Do it at the proper season, when the central leaf is growing; never do it in winter; the center leaf grows when the roots are developing. OD73-217 Read More

PHALAENOPSIS: Repotting Frequency

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Should be done every two years; use deep enough pots, set plants well down and periodically add bark as new roots appear; this way is good for three years. A67-713 Read More

PHALAENOPSIS: Spots on Leaves

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Clear, translucent pale yellow spots are poss- ibly bacterial disease; spray with Physan 20. A78-998; spray with Tersan 75 at 1/4 teaspoon to 75 quarts of water. A69-902 Read More

PHALAENOPSIS: Temperatures Day and Night

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Optimal data gathered from controlled experiments showed that 68 nights and the same for the days, 68 deg, F. was optimal; others were: Cattleya trianae, 58 to 68 nights to 63 to 86 days; Cymbidium... Read More

PHALAENOPSIS: Cool Growing Them At 58 Deg.f.

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago The mix is bark, moss and charcoal; repot at 18 months intervals from February to October only; use crock on end for drainage; lower temperatures are harder on whites, for pinks most rewarding; low... Read More