        
Selection of Plant Rooting Products for Selected Plant Varieties The following suggestions for the use of Rhizopon AA and Hortus IBA Water Soluble Salts are based on the outcome of tests and experiments carried out by international testing stations, research centers, scientific publications and Rhizopon and Hortus USA's own research.
Testing is essential. Suitable test rates should be used on a small portion of the crop before doing extensive treatment. Select the rate which provides the desired effect. The actual conditions at your facility may not be the same as the place were the data was obtained. You might find highly successful results if you vary the concentrations somewhat from the listed amount.
Cutting Types and Methods Type of cuttings used by different methods of application | Dry Dip | Spray Drip Down | Basal Quick Dip | Total Immerse | Basal Long Soak | LEAFY CUTTINGS
• ornamental plants
• herbaceous plants
In the Growing Season. | • | • | • | • | • | LEAFLESS CUTTINGS
• ornamental plants
• herbaceous plants
All Year Including
Winter Cuttings. | • | | • | | • | CUTTINGS:
• EASY-TO-ROOT
• HARD-TO-ROOT
In the Winter. | • | | • | | • |
Basal and Foliar Methods BASAL APPLICATION | DRY DIP METHOD | Dry Dip Powder.
Dip basal end in rooting powder then stick.
(Powders stay on cuttings a long time) | RHIZOPON AA #1, #2 & #3
Dry Powder Rooting Hormones.
Use dry; not to make rooting solutions | BASAL QUICK DIP METHOD | Rooting Solution.
Dip basal end in rooting solution then stick. | RHIZOPON AA WATER SOLUBLE TABLETS
or
HORTUS IBA WATER SOLUBLE SALTS
Use to make rooting solutions | BASAL LONG SOAK METHOD | Rooting Solution.
Dip basal end of cuttings in rooting solution about 12 to 24 hours (nominal) then stick. | FOLIAR APPLICATION | SPRAY DRIP DOWN METHOD | Rooting Solution.
Stick then spray leaves of cuttings with rooting solution until the solution drips down. | TOTAL IMMERSE METHOD | Rooting Solution.
Totally immerse cuttings in rooting solution then stick. |
Converting Rates The rates for rooting solutions in this website and on the Hortus IBA Water Soluble Salts label are listed as ppm IBA (parts per million IBA). Some books on plant propagation list ppm IBA for their suggested IBA basal quick dip rates. The rate chart below gives the weight of Salts or number of Tablets required make ppm water soluble IBA rooting solutions. Hortus IBA Water Soluble Salts and Rhizopon AA Water Soluble Tablets can be used interchangeably in rates below 1000 ppm IBA; above 1000 ppm IBA use the Salts.
Hortus IBA Water Soluble Salts and Rhizopon AA Water Soluble Tablets rooting solutions can be used in every case where IBA, K-IBA or premix rooting solutions are used.
CONVERSION: ppm IBA to TABLETS to SALTS
• 1 Tablet of Rhizopon AA Water Soluble Tablets (contains 50 mg IBA) which yields 50 ppm when dissolved in 1 liter of water.
• 1/4 gram (0.25 grams) of Hortus IBA Water Soluble Salts (contains 50 mg IBA) yields 50 ppm IBA when dissolved in 1 liter of water.
• 50 ppm IBA,=1 TABLET/liter= 0.25 GRAMS OF SALTS/liter
• Measure salts by weight not by scoop (sold by weight not volume) Parts per million IBA (ppm IBA) | RHIZOPON AA WATER SOLUBLE TABLETS
# Tablets/liter
of water | HORTUS IBA WATER SOLUBLE SALTS | LITERS
# grams of Salts/liter of water | GALLONS
# grams of Salts/gallon of water: 1 gal = 3.8 liters | 50 ppm IBA | 1 Tablet per liter | 0.25 gm of Salts per liter | .95 gm of Salts per gallon | 100 | 2 | 0.5 gm | 1.9 gm | 200 | 4 | 1.0 gm | 3.8 gm | 250 | 5 | 1.25 gm | 4.75 gm | 300 | 6 | 1.5 gm | 5.7 gm | 400 | 8 | 2.0 gm | 7.6 gm | 500 | 10 | 2.5 gm | 9.5 gm | 750 | 15 | 3.75 gm | 14.25 gm | 1000 | 20 | 5.0 gm | 19 gm | 1500 | Use Salts | 7.5 gm | 28.5 gm | 2000 | | 10.0 gm | 38 gm | 2500 | | 12.5 gm | 47.5 gm | 3000 | | 15 gm | 57 gm | 4000 | | 20.0 gm | 76 gm | 5000 | | 25.0 gm | 95 gm | 6000 | | 30.0 gm | 114 gm | 7000 | | 35.0 gm | 133 gm | 8000 | | 40.0 gm | 152 gm | 9000 | | 45.0 gm | 171 gm | 10,000 | | 50.0 gm | 190 gm |
The Rhizopon Rooting Guide can be downloaded. The Rooting Guide is the work of Rhizopon b.v. Products included are those manufactured and sold by Rhizopon worldwide. The first pages of the Rhizopon Rooting Guide have basic information in English. The plant variety pages are in Dutch with reference, as available, to the Latin names. The US product name cross reference is shown in the table below. The Rhizopon Rooting Guide is useful to determine the time of the year when cuttings are suitable to be taken. The Selected Rates Guide may be more useful to determine the US products and procedures to use. The Rhizopon (Dutch) Rooting Guide can be downloaded.
 The Hortus USA (English) Selected Rates Guide can be downloaded.
Rates
The suggestions for the use of Rhizopon AA #1, #2 and #3, Rhizopon AA Water Soluble Tablets and Hortus IBA Water Soluble Salts are based on the outcome of tests and experiments carried out by international testing stations, research centers, scientific publications and Rhizopon and Hortus USA's own research. Testing is essential. Suitable test rates should be used on a small portion of the crop before doing extensive treatment. Select the rate which provides the desired effect. The actual conditions at your facility may not be the same as the place were the data was obtained. You might find highly successful results if you vary the concentrations somewhat from the listed amount.
Selected Rates: Basal Quick Dip Method
using Hortus IBA Water Soluble Salts and Rhizopon AA Water Soluble Tablets
For the rate use the Rate Conversion Chart ABOVE
For more information go to  RATES FOR CUTTING TYPES | HORTUS IBA WATER SOLUBLE SALTS
(ppm IBA) | RHIZOPON AA WATER SOLUBLE TABLETS
(tablets/liter water) | Annuals | 80-200 | 1-4 | Herbaceous, perennials, tropical hose plants, pot rose., etc.
(For difficult to root perennials consider using the Basal Long Soak Method) | 150-500
Sometimes:
500-1500 | 3-10
10-20 | Softwood | 500-1500 | 10-20 | Hardwood | 500-2000 | 10-20 | Difficult to root hardwood
(For these consider using the Basal Long Soak Method) | 5000-10,000 | Use Salts |
Selected Products and Rates: Dry Dip, Spray Drip Down Methods
Where the # is indicated, this is to use Rhizopon AA #1, #2, or #3 dry dip rooting hormone
For more information go to 
Selected Products and Rates: Basal Long Soak Methods
using Hortus IBA Water Soluble Salts and Rhizopon AA Water Soluble Tablets
For the rate use the Rate Conversion Chart ABOVE
For more information go to  RATES FOR CUTTING TYPES | HORTUS IBA WATER SOLUBLE SALTS
(ppm IBA) | RHIZOPON AA WATER SOLUBLE TABLETS
(tablets/liter water) | Annual, perennial and other herbaceous plants | 25-100 | 1/2-2 | Softwood, hardwood | 50-200 | 1-4 |
Selected Products and Rates: Spray Drip Down and Total Immerse Methods
using Hortus IBA Water Soluble Salts and Rhizopon AA Water Soluble Tablets
For the rate use the Rate Conversion Chart ABOVE
For more information go to  Plant and Method List | A, B, C | Dry Dip Method using Rhizopon AA #1, #2 and #3
Abelia #1
Acanthopanax #3
African Violet #1
Ageratum #1
Andromeda #1
Apple, Malus #2 or #3
Arborvitae #2 or #3
Arbutus #3
Ardisia #2
Azalea var. #1, #2 or #3
Basal long Soak:
Apple (malus) rootstocks
Aralia
Many others are suitable by this method
Spray Drip Down and Total Immerse:
Abutilon 750
Achillea up to 1000
Actinidia
Arctic Beauty 1000
Ajuga up to 1000
Amsonia 1500
Anisodontea
Tara's Pink 750
Antennaria up to 750
Anthemis 1000
Arabis
Variegata 500
Arctostaphylos 500
Armeria 1000
Artemisia up to 500
| Dry Dip Method using Rhizopon AA #1, #2 and #3
Barberry #1
Bayberry #1
Beauty Bush #3
Beauty Berry #1
Beech #2
Begonia #1
Birch #3
Bittersweet #3
Blackberry #1
Bluebeard #1
Blueberry #1 or #2
Bougainvillea #3
Boxwood #3
Broom #1 or #2
Butterfly Bush #1
Basal long Soak:
Barberry
Many others are suitable by this method
Spray Drip Down and Total Immerse:
Baptisia 3500
Basil, Kasar 500
Buddleia 1000 | Dry Dip Method using Rhizopon AA #1, #2 and #3
Camellia #3
Candytuft #1
Carnation #3
Catalpa #3
Chaste Tree #3
Chestnut #3
Chokeberry #2 or #3
Chrysanthemum #2
Cinquefoil #2
Clematis #2 or #3
Clerodendron #1
Clockvine #1
Coleus #1
Cotoneaster #3
Crab Apple #2 or #3
Cape Myrtle #1
Crassula #1
Creeper #1
Croton #1
Cryptomeria #3
Currant #1
Basal long Soak:
Callicarpa
Calocedrus
Carpinus (hornbeam)
Cephalotaxus (J. plum yew)
Centaurea (knapweed)
Chaenomeles (J. flowering quince)
Citrus
Corylus (hazel)
Cryptomeria (J. cedar)
Cupressocyparis (Leyland Cypress)
Cytisus (broom)
Many others are suitable by this method
Spray Drip Down and Total Immerse:
Calamintha, Variegata 500
Callicarpa 500
Campanula 500-1000
Caryopteris 1000
Ceanothus 500
Ceratostigma 1500
Chrysanthemum 500-1000
Chrysogonum 750
Cistus 750
Clematis 1000
Clethra 1000
Coleonema 750
Convolvulus 750
Coreopsis 500-1000
Correa 500
Cosmos 1000
Cotoneaster Coral Beauty 500 | | D, E. F, G | Dry Dip Method using Rhizopon AA #1, #2 and #3
Dahlia #2
Daphne #1 or #2
Deutzia #1
Dew Berry #1
Dogwood #3
Douglas Fir #3
Dove Tree #1
Dracaena #1
Dutchman’s Pipe #1
Basal long Soak:
Many others are suitable by this method
Spray Drip Down and Total Immerse:
Delosperma 1000 | Dry Dip Method using Rhizopon AA #1, #2 and #3
Elder #1 or #2
Escallonia #2
Basal long Soak:
Elaeagnus
Spray Drip Down and Total Immerse:
Erigeron 750-1000
Erodium, Dark Eyes 750
Erysimum 750
Escallonia, Compacta 500
Eupatorium 500
Euphorbia 1000
Dry Dip Method using Rhizopon AA #1, #2 and #3
False Arborvitae #2
Firethorne #1 or #2
Flowering Cherry #1
Flowering Quince #3
Fontanesia #1
Forsythia #1
Franklinia #2
Fringe Tree #2
Fuchsia #1
Basal long Soak:
Ficus (fig)
Forsythia
Many others are suitable by this method | Dry Dip Method using Rhizopon AA #1, #2 and #3
Gardenia #1, #2 or #3
Geranium #1
Germander #2 or #3
Ginkgo #2
Golden Chain #2
Grape #3
Basal long Soak:
Many others are suitable by this method
Spray Drip Down and Total Immerse:
Gaillardia 500
Galium, Sweet Woodruff 1500
Geranium 1000
Geum, Rivale 1000
Gypsophila, Viette's Dwrf 1000
| | H, I, J, K | Dry Dip Method using Rhizopon AA #1, #2 and #3
Hawthorn #3
Hazelnut #1 or #2
Heath #3
Heather #3
Hemlock #2 or #3
Hibiscus #2 or #3
Holly, Japanese #2
Holly, American #3
Honeysuckle #2
Hydrangea #2
Basal long Soak:
Halesia (silverbell)
Holodiscus
Many others are suitable by this method
Spray Drip Down and Total Immerse:
Hedera 1000
Helenium 500
Helianthemum 2000
Helianthus 1000
Helichrysum 500-1000
Heliopsis 1000
Hypericum 1000
Hyssop, Pink Delight 500 | Spray Drip Down and Total Immerse:
Iberis 1000
Itea, Little Henry 1000 Dry Dip Method using Rhizopon AA #1, #2 and #3
Jetbead #1
Juniper var. #2 or #3
Basal long Soak:
Juniper
Many others are suitable by this method | Dry Dip Method using Rhizopon AA #1, #2 and #3
Kerria #1
Knotwood #3
Basal long Soak:
Many others are suitable by this method
Spray Drip Down and Total Immerse:
Kerria 1000 | | L, M, N | Dry Dip Method using Rhizopon AA #1, #2 and #3
Laburnocytisus #1 or #2
Lantana #1
Laurel #3
Lavender #2
Leucothoe #2
Lilac #3
Lily Scales #1 or #2
Linden #1
Locust #3
Basal long Soak:
Many others are suitable by this method
Spray Drip Down and Total Immerse:
Lamiastrum, Herman Pride 1000
Lamium up to 1000
Lavandula 1000
Leptospermum 500
Linaria 500
Lithodora 2000
Lonicera 1000
Lychnis 1000 | Dry Dip Method using Rhizopon AA #1, #2 and #3
Magnolia #2 or #3
Manzanita #3
Maple, Japanese #3
Matrimony Vine #3
Melastoma #1
Mock Orange #1
Mulberry #1
Basal long Soak:
Metasequoia (sequoia)
Many others are suitable by this method
Spray Drip Down and Total Immerse:
Marjoram, Compactum 500
Melissa up to 500
Mentha 500 | Dry Dip Method using Rhizopon AA #1, #2 and #3
Ninebark #3
Norway Spruce #1
Basal long Soak:
Nerium (oleander)
Many others are suitable by this method
Spray Drip Down and Total Immerse:
Nepeta 500 | | O. P, Q, R | Dry Dip Method using Rhizopon AA #1, #2 and #3
Oak #3
Oleander #2
Olive #3
Orange, sour #3
Orixa #1
Osage Orange #1
Osmanthus #2
Basal long Soak:
Olive
Many others are suitable by this method
Spray Drip Down and Total Immerse:
Oenanthe 500
Origanum 500-750 | Dry Dip Method using Rhizopon AA #1, #2 and #3
Pachysandra #2 or #3
Pea Shrub #1
Pear rootstocks #3
Pecan #3
Penstemon #1
Periwinkle #2
Petunia #2 or #3
Philodendron #1
Phlox #1
Photinia #3
Pine var. #2 or #3
Poinsettia #1
Poplar #1
Prickly Pear Cactus #1
Privet #3
Basal long Soak:
Philadelphus (mock orange)
Physocarpus (ninebark)
Picea (spruce)
Populus (poplar)
Potentilla (cinefoil)
Prunus (peach rootstocks)
Pseudosuga (Douglas fir)
Many others are suitable by this method
Spray Drip Down and Total Immerse:
Paxistima, Canbyi 1000
Penstemon 500
Persicaria up to 1000
Phlox 1000
Phygelius 750
Poinsettia 500-1000
Polemonium, Bressingham Purple 1000
Prunella, Loveliness 750 | Dry Dip Method using Rhizopon AA #1, #2 and #3
Raspberry #1
Retinospora #3
Rhododendron var. #3
Rose #1, #2 or #3
Russian Olive #3
Basal long Soak:
Rhododendron
Ribes (currant)
Robinia (false aralia)
Redwood, coastal
Many others are suitable by this method
Spray Drip Down and Total Immerse:
Rosmarinus 500
Rudbeckia 750
Ruellia 1000 | | S, T, U, V | Dry Dip Method using Rhizopon AA #1, #2 and #3
Sage #1
Sequoia #2
Snapdragon #1
Snow Berry #1
Sourwood #3
Speedwell #1
Spiraea #1
Springscent #2
Spruce var. #2
St. Johnswort #1
Stevia #1
Stewartia #1
Sweet Leaf #1
Basal long Soak:
Salix (willow)
Many others are suitable by this method
Spray Drip Down and Total Immerse:
Salvia 500-1000
Santolina 500
Saponaria 1000
Saxifraga 750
Scabiosa 1000
Silene 500
Solly, Boddy’s Choice 750
Spilanthes 500
Spiraea 1000
Spiraea, Gold Flame, Magic Carpet, Neon Flash 4000
Stachys 1000
Stevia, rebaudiana 500 | Dry Dip Method using Rhizopon AA #1, #2 and #3
Trumpet Creeper #1
Tulip Tree #3
Basal long Soak:
Taxus (yew)
Thea (tea)
Theobroma (cacao)
Thuja
Thujopsis
Torreya
Tsuga (hemlock)
Many others are suitable by this method
Spray Drip Down and Total Immerse:
Teucrium 1000 | Dry Dip Method using Rhizopon AA #1, #2 and #3
Umbrella Pine #3
Basal long Soak:
Ulmus (elm)
Many others are suitable for this method
Verbena #1
Viburnum #1
Verbascum 1000
Verbena 750
Vinca 1000
Viola 1500
Vitex 1000
Basal long Soak:
Ulmus (elm)
Viburnum
Vitis (grape)
Many others are suitable by this method | | W, X, Y, Z | Dry Dip Method using Rhizopon AA #1, #2 and #3
Waxmyrtle #1
Weigela #1
Willow #1
Wintergreen #2
Wisteria #2
Witch Hazel #2
Basal long Soak:
Weigela
Wisteria
Many others are suitable by this method
Spray Drip Down and Total Immerse:
Waldsteinia 1000
Weigela 1000
Westringia 750 | Dry Dip Method using Rhizopon AA #1, #2 and #3
Yellow Wood #2
Yew var. #3
Basal long Soak:
Many others are suitable by this method | Dry Dip Method using Rhizopon AA #1, #2 and #3
Zelkova #2
Basal long Soak:
Many others are suitable by this method |
The suggestions for the use of Rhizopon AA #1, #2 and #3, Rhizopon AA Water Soluble Tablets and Hortus IBA Water Soluble Salts are based on the outcome of tests and experiments carried out by international testing stations, research centers, scientific publications and Rhizopon and Hortus USA's own research. Testing is essential. Suitable test rates should be used on a small portion of the crop before doing extensive treatment. Select the rate which provides the desired effect. The actual conditions at your facility may not be the same as the place were the data was obtained. You might find highly successful results if you vary the concentrations somewhat from the listed amount
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