Category: Orchid Doctor

DENDROBIUM PHALAENOPSIS: Buds Dry and Fall Off

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago May be caused by ethylene. A79-262 Read More

DENDROBIUM PHALAENOPSIS: Hit by Cold Spell

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Remove all discolored canes and rhizomes; repot and water sparingly until new roots reach pot edge. F70-182 Read More

DENDROBIUM PHALAENOPSIS: How to Get Them to Bloom

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Grow warm and humid until Labor Day then move them to the cymbidium house, slightly reduce watering until Christmas when growths are complete; return to warm house for flowering in about 60 days. O... Read More

DENDROBIUM PHALAENOPSIS: Minimum Optimums

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Hardcane: 65 deg.F. nights, with 50% relative humidity, and 4,000 fc. winter and 8,000 fc. summer; softcane: 55 deg.F. to 60 deg. nights, with 50% relative humidity and 3,000 fc. winter and 6,000 f... Read More

DENDROBIUM PHALAENOPSIS: New Growth Rots in July and September

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Several diseases can cause the injury; water early in the day and only enough. A72-55 Read More

DENDROBIUM PHALAENOPSIS: Old Canes

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago If plump and good, keep on plant; if old and weak, remove. A69-1003 Read More

DENDROBIUM PHALAENOPSIS: Pot Size

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Relative to pseudobulb height; under four inches high (10 cm.) use pot two and three-quarters inch to three inch (7 cm.); canes four to eight inches high use three and a half inch pot; eight to fif... Read More

DENDROBIUM PHALAENOPSIS: Propagation Methods

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Those with runners or rhizomes can be divided like cattleyas; those like Den. lyonii can be split into clumps of pseudobulbs; pendulous types like Den. anosmum may be divided by means of keikis or ... Read More

DENDROBIUM PHALAENOPSIS: The Gatton Way to Get Flowers

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Get them into vigorous growth in February; feed and grow until August with regular fertilizer; in August change to good potash fertilizer; reduce temperature ten to 15 degrees F. at same time for s... Read More

ACID OR ALKALINE: Changing the Values

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Various means can be used: tufa, a limestone form, can be added to paphiopedilums from limestone cliffs; bark composts acidify with age; peatmoss, pine needles, oak leaves in the mix produce acidit... Read More