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Cultural notes: Brisbane – October / November

 

WATER REQUIREMENTS

FERTILISER REQUIREMENTS

PEST CONTROL

OTHER COMMENTS

CATTLEYA
Alliance

Water thoroughly
weekly for larger pots, every second day for small pots

Every week with high nitrogen fertilizer at half strength

Check for insects, scale, rots etc. and spray as necessary

 

    

Dampen floors regularly to increase humidity. Air circulation around plants is important

DENDROBIUM
(Intermediate)

Two to three times a
week in the mornings

Weekly with quarter strength low nitrogen, high PK fertilizer 

Do not use high nitrogen fertiliser 
 

DENDROBIUM
(Phalaenanthe) 
(Hardcane)

Two to three times a
week in the mornings
Weekly with quarter strength low nitrogen, high PK fertilizer Water and gertilise regularly to maintain growth of new canes 
 

PAPHIOPEDILUM

Water every two to
three days when days are hot. Water in mornings
Every two weeks with high nitrogen fertilizer at half strength  Damp down floors around midday on hot days
 

PHALAENOPSIS

Two to three times a
week in the mornings
 Weekly with quarter strength low nitrogen, high PK fertilizer Damp floors and under bench on hot days. Try to have leaves dry by nightfall
 

VANDACEOUS

Water daily including root system. Try to avoid Water in crown of plant Weekly with quarter strength low nitrogen, high PK fertilizer  Vandaceous orchids thrive on heat, humidty and good air circulation 
 

GENERAL
COMMENTS

Most orchids are in active growth now, so will benefit from regular watering and fertilizing to optimize new growth. Overcrowding can result in spindly and sickly new growth which can start to rot