Growing Vandas in South Florida · All orchids were kept inside the garage year around. 4 units of...
Transcript of Growing Vandas in South Florida · All orchids were kept inside the garage year around. 4 units of...
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Growing Vandas in
South FloridaNaoki Kawamura
January 9, 2020
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Sympodial vs. Monopodial
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Sympodial vs. Monopodial
Sympodial � Cattleya
� Encyclia
� Brassavola
� Paphiopedilum
� Phragmipidium
� Cymbidium
� Oncidium
Monopodial � Vanda
� Phalaenopsis
� Aerdies
� Renanthera
� Angraecum
� Rhynchostylis
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Four types of
leaf shape
Strap-leaf Strap-leaf
Quarter TereteQuarter Terete
Semi-terete Semi-terete
TereteTerete
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Cross-section of leaf
Source - https://www.tohgarden.com/wp-
content/uploads/2011/09/Van_type-of-leaf.jpg
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Cultural
Requirement
Temperature and Humidity Temperature and Humidity
Light Light
Air Movement Air Movement
Watering Watering
Fertilizing Fertilizing
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Temperature and
Humidity
Optimal temperature
The day is 65F or higher and night
temperatures are not lower than 55F.
Humidity around 80% is
appropriate on hot sunny days.
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Light
� Vandaceous orchids require
strong light.
� Provide morning sun when
possible.
� Semi-terete and terete types
can be grown in full sun all day
when they are fully acclimated.
� Strap-leaved plants need
additional shade during the
hottest part of the day/season.
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Air
movement
It is important to keep leaf temperature
down an avoid cell damage from heat
under summer sun.
For more open conditions – the natural
breeze will balance light, temperature
and moisture for healthy growth and
flowering.
It is important to restrict air movement
under colder temperatures.
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Watering� A high daytime humidity is
essential, especially on sunny
days, and vandaceous plants
outdoors may need watering
and misting several times daily
during the growing season.
� Limit watering during cooler
weather
� It is best to have roots and
crowns be dried out before sun
sets.
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Fertilizing
Vandaceous plants are heavy feeders. Vandaceous plants are heavy feeders.
Balanced fertilizer, such as 20-20-20, weekly during
the growing season. (Adding supplements such as
Maxicrop or Superthrive can be beneficial on
plant growth )
Balanced fertilizer, such as 20-20-20, weekly during
the growing season. (Adding supplements such as
Maxicrop or Superthrive can be beneficial on
plant growth )
Substituting a fertilizer high in phosphorus, such as
10-30-20 at every third feeding
Substituting a fertilizer high in phosphorus, such as
10-30-20 at every third feeding
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My Fertilizer Mix
Palmer Orchids Cal-Mag + Seaweed
(14-2-14) 1 tsp per gallon
Plant Potion #9 from Laura Newton
½ tsp per gallon with a few drops of
dish soap
Source : https://bulbophyllums.com/
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Pest and fungus control
� Thrips – Apply Orthene ½ tsp per gallon, apply
again in two weeks. Every 6-8 weeks thereafter.
� Fungus – Apply Clearys 3336F 1 (one) tbsp per
gallon, apply again in two weeks. Every month thereafter.
� Caution : Be sure to protect your whole body
including eyes, nose and mouth. Take a shower after application.
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Florida Vanda Growing
Month by Month by Martin Motes, PhD
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My Growing Space
Before (Portland, OR)
and
After (Venice, FL)
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Portland Oregon � All orchids were kept inside the
garage year around.
� 4 units of 400 W Metal Halid lights.
Replaced every year.
� Each unit was connected with duct
tubes.
� Once the temperature hit a certain degree, the fan pulled hot air out of
the room.
� The oscillating fan was on 24/7.
� Watered daily
� Excess water was held on trays and syphoned out.
� Heat/Light/humidity were not
sufficient.
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Venice
� Southwest Facing pool cage get plenty of sun in sunny days.
� Our growing space was open to the VAOS members in May, 2018
� Vanda racks are custom made by SRQ Welding (121 Triple Diamond Blvd. unit 14, Nokomis, 941-484-5947 Contact : Drew) All aluminum with vinyl casters.
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AOS Awards 2019
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Vandachostylis Jim Solly ‘Alexis’ Love’ HCC/AOS 06/22/2019
Photography by Kay Clark
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Sealara Khoo Kay Ann ‘Nao-Ben’ AM/AOS
09/14/2019Photography by Wes Newton
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Vanda Heinz Graf ‘Jamie’ AM/AOS
09/25/2019Photography by Kay Clark
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Vandachostylis Michael Dean ‘Dodi’ HCC/AOS
09/25/2019Photography by Kay Clark
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Vanda Jeanne et Marius Vidon ‘Annie & Bella’ HCC/AOS
09/25/2019Photography by Kay Clark
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Vanda Robert Moorhead ‘Naoki’s Purple Lip’ HCC/AOS
10/26/2019Photography by Kay Clark
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Vanda Robert Moorhead ‘Ed Carter’ AM/AOS 10/26/2019
Photography by Kay Clark
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Papilionanda Austen Liam Kean Hae Chen‘Michael D. Gibson’ FCC/AOS
Photography by Wes Newton
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Florida North Central Judging Centerwww.fncjc.Shutterfly.com
� Orlando Area Orchid Judging – Second Saturday
� Clermont Garden Club – 849 West Ave., Clermont FL 34711
� Flowers must arrive by 1 p.m. Judging begins at 1:30p.m.
� Tampa Area Orchid Judging – Fourth week of the month
� Christ the King Mary Martha Center – 717 S. Dale Mabry Hwy, Tampa, FL 33609
� Flowers must arrive thirty minutes prior to judging for registration.
� Wednesday Judging begins 7p.m.
� Saturday Judging begins at 10:30a.m.