Category: Orchid Doctor

PAPHIOPEDILUMS: Repotting

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Caused previous success -- turn to failure; roots were not produced: barely possible the plants needed lime; safely add 1/2 cup of pulverized limestone per cu.ft. of mix. A68-617 Read More

PAPHIOPEDILUMS: Repotting Frequency Required

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Every two to three years; salt deposits can be controlled by adequate watering; clay and plastic pots do not differ much in salt accumulation. A70-798 Read More

PAPHIOPEDILUMS: Repotting Time

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Repot during the period of most active growth usually late spring or early fall, they will grow and flower much better. OA81-183 Read More

PAPHIOPEDILUMS: Roots Are Phototropic

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Growing in white plastic pots roots mass on the side of the pot facing the sun. OD70-136 Read More

PAPHIOPEDILUMS: Roots Lost on Purchased Plants

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago As the roots were lost six to 12 months after the purchase it must have been due to excess fertilization or salts in the water supply, with periodic drying. A76-611 Read More

PAPHIOPEDILUMS: Rots That Attack Them

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago They are highly susceptible to Brown rot, caused by Erwinia bacteria; cut away the lesion and treat the cleared spot with Natriphene. Ca81(2)-29 Read More

PAPHIOPEDILUMS: Shading Required in New Jersey

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago About 75 or 80% shade is required in summer. A74-708 Read More

PAPHIOPEDILUMS: Staking of Flowers

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Usually done to present the flower in an upright position; in nature, the dorsal sepal prevents rain from filling the pouch so the pollinator will not drown; as the bud opens, tilt the pot forward ... Read More

PAPHIOPEDILUMS: Stem Length

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago It is controllable in many plants; short stems may be caused by too low night temperatures during the flowering season or too high light intensity; 60 deg.F. and reasonable shade give good stem len... Read More

PAPHIOPEDILUMS: Stems Are Too Short

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago They are grown under too much light. A76-206 Read More