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Valuable Houseplants. Dracaena. Dracaena fragrans. Useful Houseplants. Sobbing Fig ... Gainful Houseplants. Ruler of Hearts Homalomena wallisii. Helpful ...
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Houseplants Ron Smith, Ph.D. Augmentation Horticulturist & Turfgrass Specialist

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Light is Life

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Measurement of Light 1 Footcandle (fc) Amount of obvious light that falls on 1 sq. ft. of surface 1 ft. far from one light. 1 Lumen Amount of light from one flame.

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Footcandle 1 Lumen of light for each sq. ft. of territory 1\'

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3 Major Plant Processes Photosynthesis Phototropism Photoperiodism

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3 Components of Light Intensity Duration Quality

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Chlorophyll Photosynthesis Light Water Vapor O 2 CO 2 Water

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Photosynthesis 6CO 2 + 6H 2 O C 6 H 12 O 6 + 6O 2 Chlorophyll Carbon Dioxide Water Oxygen Glucose

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Light Quality Blue/Violet Promote foliage development Yellow/Green No impact Red/Far-Red Encourage blossoming, lengthening, extension

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Recommended Lighting-Levels 12 Hours Light Period/Day Minimum Recommended Low 50 f.c. 75-100 f.c. Medium 75-100 f.c. 200(+) f.c. High 200 f.c. 500 f.c. High 500 f.c. 1000 f.c.

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3 Types of Artificial Light Filament-Incandescent tungsten halogen Excited Phosphorus fluorescent High-Intensity-Discharge (HID) mercury, metal halide, high weight sodium, low weight sodium

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Ron & Betsey Showering With Their Plants

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Chinese Evergreen Aglaonema

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Aloe vera

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Norfolk Pine Araucaria heterophylla

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Umbrella Tree Brassaia

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Croton Codiaeum variegatum

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Corn Plant Dracaena fragrans "massangeana"

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Persian Violet Exacum relative

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Rubber Plant Ficus elastica

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Hydrangea macrophylla

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Prayer Plant Maranta

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Paper-white Narcissus tazetta

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Boston Ferns Nephrolepis exaltata "Bostoniensis"

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Swedish Ivy Plectranthus

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Mother-in-Law Tongue Sansevieria

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Gloxinia Sinningia speciosa

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Wandering Jew Tradescantia or Zebrina

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Plant Cluster

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Plants in the Home

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Dumb Cane Sunburn

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African Violet Sunburn

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Greenhouse Geranium Botrytis

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Schefflera Ghost Ring Virus

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Geranium Virus

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Variegated Spider Plant Fluoride Tip Burn

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Layering Development of roots on a stem while still joined to the guardian plant.

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Beneficial Houseplants Spider Plant Chlorophytum comosum

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Beneficial Houseplants Dumb Cane Dieffenbachia

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Beneficial Houseplants Dracaena fragrans

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Beneficial Houseplants Weeping Fig Ficus benjamina

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Beneficial Houseplants Rubber Plant Ficus elastica

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Beneficial Houseplants English Ivy Hedera helix

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Beneficial Houseplants Queen of Hearts Homalomena wallisii

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Beneficial Houseplants Schefflera arboricola

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Beneficial Houseplants Peace Lily Spathiphyllum wallisii

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Low Light Houseplants Cast-Iron Plant Aspidistra elatior

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Low Light Houseplants Mock Strawberry Duchesnea indica

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Low Light Houseplants Sliver Net Leaf Fittonia

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Low Light Houseplants Tree Philodendron bipinnatifidum

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Low Light Houseplants Heart Leaf, Sweetheart Plant Philodendron scandens

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Low Light Houseplants Schefflera arboricola

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Low Light Houseplants Baby Tears Soleirolia soleirolii

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Low Light Houseplants Piggyback Plant Tolmiea menziesii

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Poisonous Plants Amaryllis - Hippeastrum puniceum (Barbados-Lily and different species) Belladonna Lily - Amaryllis belladonna (Naked-Lady, Pink-Lady, Resurrection-Lily) Boxwood – Buxus microphylla & sempervirens (Box, Boxtree and different species) Buttercups – Ranunculus sp. Caladium – Caladium bicolor and different species Castorbean – Ricinus communis (Castor-Oil Plant, Palma Cristi)

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Poisonous Plants Daffodil – Narcissus pseudonarcissus (Trumpet Narcissus) Dumbcanes – Dieffenbachia sp. Bracken Fern – Pteridium aquilinum (Brake Fern and different species) Four O\' Clock – Miracilis jalapa (Marvel-of-Peru, Beauty-of-the-Night, and different species) Hollies – Ilex sp. Garden Hyacinth – Hyacinthus orientalis Hydrangeas – Hydrangea sp.

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Poisonous Plants Irises – Iris sp. (Banners, Fleur-De-Lis) English Ivy – Hedera helix – and different species Jerusalem-Cherry – Solanum pseudocapsicum Lantanas – Lantana sp. Mistletoes – Phoradendron sp. Narcissus – Narcissus tazetta (Polyanthus Narcissus, Jonquil, and different species) Orleander – Nerium oleander

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Poisonous Plants Philodendrons – Philodendron sp. Poinsettia – Euphorbia pulcherrima (Common Poinsettia, Christmas Flower) Japanese Privet – Ligustrum japonicum (Waxleaf Privet & different species) Rhododendrons, Azaleas – Rhododendron sp.

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Designed by Jeanne & Andrea Supervised by Ron

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