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Annual Flowers for Specific Uses in Oklahoma an OBGA Series Fact Sheet

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Annual Flowers for Specific Uses in Oklahoma an OBGA Series Fact Sheet Oklahoma Cooperative Extension Service HLA-6425 Annual Flowers for Specific Uses in Oklahoma An OBGA Series Fact Sheet Michael A. Schnelle Assistant Professor Oklahoma Cooperative Extension Fact Sheets Extension Ornamentals/Floriculture Specialist are also available on our website at: http://osufacts.okstate.edu John M. Dole Assistant Professor, Floriculture Basil (Ocimum basilicum) many cultivars Douglas C Needham Cabbage, ornamental [Brassica oleracea (Capitata Assistant Professor, Floriculture Group)] Castor bean (Ricinus communis) An annual is any plant that completes its life cycle in one Coleus (Coleus x hybridus) growing season. Many of the plants listed in this fact sheet Copperleaf (Acalypha wilkesiana) are not true annuals, but are normally treated as such for Dusty miller (Senecio cineraria) Oklahoma conditions. Some of these, however, will overwin- Joseph’s-Coat (Alternanthera ficoidea) ter most seasons if mulched or grown near a foundation of a Kale, ornamental [Brassica oleracea (Acephala house. Group)] Kochia (Kochia scoparia f. trichophylla) Maple, flowering (Abutilon sp.) Cut Flowers New Guinea Impatiens (Impatiens hawkeri) Below are a few of the more commonly grown species for Polka dot plant (Hypoestes phyllostachya) use in bouquets and arrangements that are equally attractive Snow-on-the-mountain (Euphorbia marginata) in the flower garden. See Extension Facts No. 6407 for ideas on flower arrangements and bouquets. Large Background African daisy (Dimorphotheca sinuata) Tall plants help to serve as a background to shorter an- Baby’s-breath (Gypsophila elegans) nuals in the foreground of beds. Also, consider these quick- Bells of Ireland (Molucella laevis) growing species as barriers to hide unsightly areas. Celosia [Celosia cristata (Plumosa Group)] Cleome (Cleome hasslerana) Amaranthus (Amaranthus tricolor) Cornflower (Centaurea cyanus) Candle plant (Cassia alata) Cosmos (Cosmos bipinnatus and C. sulphureus) Castor bean (Ricinus communis) Fountain grass (Pennisetum setaceum) Cosmos (Cosmos sulphureus and C. bipinnatus) Gerbera daisy (Gerbera jamesonii) Fountain grass (Pennisetum setaceum) Globe amaranth (Gomphrena globosa) Four o’Clock (Mirabilis jalapa) Marigold, African (Tagetes erecta) Marigold, African (Tagetes erecta) Nasturtium (Tropaeolum majus) Mexican zinnia (Tithonia rotundifolia) Pincushion flower (Scabiosa atropurpurea) Spider flower (Cleome hasslerana) Salvia (Salvia splendens) Summer cypress (Kochia scoparia f. trichophylla) Snapdragon (Antirrhinum majus) Sunflower (Helianthus annuus) Statice, Florist’s (Limonium sinuatum) Zinnia (Zinnia elegans) Strawflower (Helichrysum bracteatum) Sunflower, Mexican (Tithonia rotundifolia) Prefer or Tolerate Light Shade Tobacco, flowering (Nicotiana alata) Zinnia (Zinnia elegans) These plants need protection from the sun. Many of these will suffer without protection from harsh Oklahoma conditions. Showy Foliage Alyssum, sweet (Lobularia maritima) These plants may be used to lend interest to surround- Black-eyed Susan vine (Thunbergia alata) ing flowering plants or for foliage in bouquets. Many of these Browallia (Browallia speciosa) species are equally striking when planted alone. Fountain grass (Pennisetum setaceum) Amaranthus (Amaranthus tricolor) Impatiens (Impatiens wallerana) Asparagus fern (Asparagus plumosus) Impatiens, New Guines (Impatiens hawkeri) Division of Agricultural Sciences and Natural Resources • Oklahoma State University Annual Flowers for Specific Uses in Oklahoma Figure 1. Nierembergia hippomanica var. Figure 2. Catharanthus roseus. Figure 10. Dyssodia tenuiloba. Dahlberg Figure 11. Tithonia rotundifolia. violacea. Cup flower. Periwinkle. daisy. Mexican sunflower. Figure 12. Viola x wittrocki- Figure 3. Lobularia maritima. ana. Pansy. Sweet alyssum. No other group of plants is as diverse and colorful Figure 13. Abelmoschus moschatus. Figure 14. Sanvitalia procumbens. Abelmoschus. Creeping zinnia. as bedding plants or annuals. Figure 4. Nicotiana alata. Figure 5. Celosia cristata. Figure 6. Gerbera james- Flowering tobacco. Cockscomb. onnii. Gerbera daisy. Figure 15. Zinnia elegans. Figure 16. Antirrhinum majus. Figure 17. Pelargonium x hortorum. Zinnia. Snapdragon. Geranium. Annuals allow gardeners the means to experiment with relatively inexpensive plants on a seasonal basis. Figure 7. Portulaca grandiflora. Rose Figure 8. Verbena x hybrida. Figure 9. Brassica oleracea (Capitata moss. Garden verbena. group). Ornamental cabbage. 6425-2 6425-3 Annual Flowers for Specific Uses in Oklahoma Figure 1. Nierembergia hippomanica var. Figure 2. Catharanthus roseus. Figure 10. Dyssodia tenuiloba. Dahlberg Figure 11. Tithonia rotundifolia. violacea. Cup flower. Periwinkle. daisy. Mexican sunflower. Figure 12. Viola x wittrocki- Figure 3. Lobularia maritima. ana. Pansy. Sweet alyssum. No other group of plants is as diverse and colorful Figure 13. Abelmoschus moschatus. Figure 14. Sanvitalia procumbens. Abelmoschus. Creeping zinnia. as bedding plants or annuals. Figure 4. Nicotiana alata. Figure 5. Celosia cristata. Figure 6. Gerbera james- Flowering tobacco. Cockscomb. onnii. Gerbera daisy. Figure 15. Zinnia elegans. Figure 16. Antirrhinum majus. Figure 17. Pelargonium x hortorum. Zinnia. Snapdragon. Geranium. Annuals allow gardeners the means to experiment with relatively inexpensive plants on a seasonal basis. Figure 7. Portulaca grandiflora. Rose Figure 8. Verbena x hybrida. Figure 9. Brassica oleracea (Capitata moss. Garden verbena. group). Ornamental cabbage. 6425-2 6425-3 Garden balsam (Impatiens balsamina) Vines Lobelia (Lobelia erinus) The species below can be used for screening and can Nierembergia (Nierembergia hippomanica var. be grown on trellises, fences, and gazebos. violacea) Nasturtium (Tropaeolum majus) Black-eyed Susan vine (Thunbergia alata) Pansy (Viola x wittrockiana) Cup-and-saucer vine (Cobaea scandens) Periwinkle (Catharanthus roseus) Moon flower (Calonyction aculeatum) Petunia (Petunia x hybrida) Morning glory (Ipomoea purpurea) Phlox, annual (Phlox drummondii) Nasturtium (Tropaeolum majus) Stock (Matthiola incana ‘Annua’) Scarlet runner bean (Phaseolus coccineus) Wax begonia (Begonia semperflorens-cultorum) Wishbone flower (Torenia fournieri) Cold Tolerant Annuals These plants allow for an extended display long into the Edging/Borders/Containers fall and early spring. Plants listed below are relatively short, and thus are use- Cabbage, ornamental [Brassica oleracea (Capitata ful in foregrounds of beds, containers, and French baskets. Group)] Be certain you buy cultivars which do not grow tall. Some of Dusty Miller (Senecio cineraria) these species are quite variable for their mature heights. Kale, ornamental [Brassica oleracea (Acephala African daisy (Dimorphotheca sinuata) Group)] Joseph’s Coat (Alternanthera ficoidea ‘Bettzickiana’) Pansy (Viola x wittrockiana) Alyssum, sweet (Lobularia maritima) Snapdragon (Antirrhinum majus) Annual hibiscus (Abelmoschus moschatus) California poppy (Eschscholzia californica) Dried Flowers/Fruit Celosia [Celosia cristata (Plumosa Group)] Cockscomb (Celosia cristata) The flowers below will dry readily for use in “everlasting” Cuphae (Cuphea platycentra) arrangements. Many other annuals can be dried with added Dahlberg daisy (Dyssodia tenuiloba) effort and materials. Dahlia, dwarf hybrids (Dahlia hybrids) Ammobium (Alatum grandiflorum) Dusty miller (Senecio cineraria) Bells of Ireland (Molucella laevis) Flossflower (Ageratum houstonianum) Chinese lantern (Physalis franchetti) Garden balsam (Impatiens balsamina) Cockscomb (Celosia cristata) Gazania (Gazania rigens) Globe amaranth (Gomphrena globosa) Geranium (Pelargonium x hortorum) Baby’s breath (Gypsophila elegans) Globe amaranth, dwarf (Gomphrena globosa) Fountain grass (Pennisetum setaceum) Ivy geranium (Pelargonium peltatum) Okra (Abelmoschus esculentus) Lantana (Lantana hybrids) Statice, Florist’s (Limonium sinuatum) Lobelia (Lobelia erinus) Strawflower (Helichrysum bracteatum) Marigold, dwarf (Tagetes patula) Melampodium (Melampodium paludosum) The categories listed are merely suggestions for place- Nierembergia (Nierembergia hippomanica var. ment of annuals. These categories are by no means com- violacea) prehensive, but rather common uses for the specific plants Pepper, ornamental (Capsicum annuum) that are listed. Periwinkle (Catharanthus roseus) Annuals allow gardeners the means to experiment with Petunia (Petunia x hybrida) relatively inexpensive plants on a seasonal basis. When new Phlox, annual (Phlox drummondii) designs are desired, simply plan these changes for the next Purslane (Portulaca oleracea) growing season. No other group of plants is as diverse and Rose moss (Portulaca grandiflora) colorful as bedding plants or annuals. Check with person- Salvia (Salvia splendens) nel in your local greenhouse or garden center for additional Snapdragon, dwarf (Antirrhinum majus) advice on what performs well in your area. Tobacco, flowering (Nicotiana alata) Verbena (Verbena x hybrida) Wishbone flower (Torenia fournieri) Zinnia, dwarf types (Zinnia elegans) Zinnia, trailing (Sanvitalia procumbens) Oklahoma State University, in compliance with Title VI and VII of the Civil Rights Act of 1964, Executive Order 11246 as amended, Title IX of the Education Amendments of 1972, Americans with Disabilities Act of 1990, and other federal laws and regulations, does not discriminate on the basis of race, color, national origin, gender, age, religion, disability, or status as a veteran in any of its policies, practices, or procedures. This includes but is not limited to admissions, employment, financial aid, and educational services. Issued in furtherance of Cooperative Extension work, acts of May 8 and June 30, 1914, in cooperation with the U.S. Department of Agriculture, Robert E. Whitson, Director of Cooperative Ex- tension Service, Oklahoma State University, Stillwater, Oklahoma. This publication is printed and issued by Oklahoma State University as authorized by the Vice President, Dean, and Director of the Division of Agricultural Sciences and Natural Resources and has been prepared and distributed at a cost of 42 cents per copy. 0504 6425-4.
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