Long-blooming Annuals

Our Garden Gang's

Long-Blooming Annuals

Here they are, 40 annuals that are real garden troupers.  For best results, amend your annual beds with lots of organic material, and feed every two weeks until frost.

Check out specific varieties of great annuals to grow at the AAS Top Annuals and AAS 2005 Top Annuals.  

 

These are the latest All-American Selections award winners for best performance in all garden conditions.

 


 

 

NameLightTemperatureHeightComments
ANGEL'S TRUMPET, COMMON (Brugmansia arborea or B. versicolor)Full SunGarden Annual; perennial above 45Shrub or tree, 6'-12'Prefers fertile, moist soil; can overwinter as houseplant; all parts are highly toxic if ingested.
BACHELOR'S BUTTON, CORNFLOWER (Centaurea cyanus)Full SunHardy Annual10"-3'Deadhead; drought-tolerant; does not transplant well, sow directly in ground.
BLACK-EYED SUSAN VINE (Thunbergia Alata)Full to Part SunGarden Annual; perennial above 45Twining climber to 8'Prefers fertile, moist soil.
BLANKET FLOWER (Gaillardia pulchella)Full SunTender Annual14"-36"Looks best in mass plantings or wildflower meadows; prefers sandy soil; drought and heat tolerant; deadhead.
CAPE DAISY (Venidium fastuosum)Full SunTender Annual2'Flowers close at night; prefers rich soil; thrives in hot, dry conditions.
COCKSCOMB (Celosia cristata)Full SunHalf-hardy Annual6"-30"Prefers moist, fertile soil; excellent dried flower.
COSMOSFull SunHalf-hardy Annual1'-5'Deadhead; prefers moderately fertile to poor soil; rich soil will encourage lush foilage at expense of flowers; heat and drought tolerant.
CREEPING DAISY (Chrysanthemum paludosum)Full SunAnnual12"-18"Similar to low-growing miniature marguerite; prefers fertile, moist soil.
CREEPING ZINNIA (Santivalia procumbens)Full SunAnnualGroundcover or front of border, to 8"Prefers moderately fertile, humus-rich, well-drained soil.
EVOLVULUS (syn. Convolvulaceae)Full SunGarden Annual; Perennial above 5020"Prefers poor to moderately fertile, well-drained soil.
FAIRY FAN FLOWER (Scaevola aemula)Full Sun to Part ShadeGarden Annual; perennial above 416"Prefers moderately fertile, humus-rich, moist but well-drained soil.
FLOSS FLOWER (Ageratum)Full Sun to Part SunAnnual6"-18"Deadhead for more blooms; heat and drought tolerant.
FLOWERING MAPLE, INDIAN MALLOW (Abutilon 'MOONCHIMES')Full SunGarden Annual; Perennial in Zones 10-11Shrub to 6'Bears bell-shaped yellow flowers; winter indoors as container plant.
FOUR O'CLOCK (Mirabilis jalapa)Full to Part SunHalf-hardy annual2'-3'Tolerates heat, humidity, and drought; requires full sun to bloom well; flowers open in late afternoon.
GAZANIA (Gazania ringens)Full SunAnnual; Perennial in Zones 9-108"-12"Blooms close at night; thrives in hot, dry conditions; requires little maintenance.
GERANIUM (Pelargonium spp.)Full SunTender Annual; perennial above 36.10"-18"Deadhead; keep over winter as houseplant.
GLOBE AMARANTH (Gomphrena globosa)Full SunTender Annual6"-30"Tolerates poor soil, heat, and drought; excellent dried flower.
HELIOTROPEFull SunTender Annual8"-18"Fragrant; prefers rich soil, requires little care.
ICE PLANT, LIVINGSTONE DAISY (Dorotheanthus)Full SunAnnual4"-6"Deadhead; prefers poor, sandy soil.
IMPATIENSPart Sun to ShadeTender Annual8"-20"Prefers evenly moist soil.
LANTANAFull to Part SunAnnual; Perennial above 5018"-3'Long blooming season; drought tolerant.
MALLOW 'PINK QUEEN' (Malope trifida 'Pink Queen')Full to Part SunAnnual3'Flowers best where summers are cool, but tolerates heat and dry soil.
MARIGOLD (Tagetes spp.)Full SunHalf-hardy annual8"-36"Deadhead; tolerates heat and drought.
MELAMPODIUM (Melampodium cinereum)Full SunTender Annual18"Heat and drought tolerant; low maintenance; self-sows.
MEXICAN HEATHER (Cuphea Allyson)Full to Part SunAnnual; Perennial Zones 10-1118"-24"Blooms best in full sun; heat tolerant; good container plant.
MORNING GLORY (Ipomoea spp.)Full SunAnnual; Perennial in Zone 10Vine up to 20'Prefers full sun and average, well-drained soil.
NIEREMBERGIA (Nierembergia hippomanica)Full to Part SunTender Annual6"-12"Prefers sheltered location w/full or partial sun and moist, well-drained soil.
MOSS ROSE (Portulaca grandiflora)Full SunHardy Annual6"Succulent, ideal for rock gardens and desertlike patches; prefers sandy, hot, dry locations in full sun.
OSTEOPERMUMFull SunAnnual; Perennial in Zones 10-114"-24"Deadhead daisy-like flowers; prefers moderately fertile, well-drained soil.
PENTASFull SunAnnual14"-3'Prefers fertile, well-drained soil.
PETUNIAFull SunTender Annual12"-15"Deadhead; prefers rich, sandy soil
PERIWINKLE, VINCA (Catharanthus roseus)Full to Part SunTender Annual4"-15"Drought tolerant; prefers well-drained, sandy soil.
PHLOX (Phlox drummondii)Full SunHardy Annual6"-18"Deadhead; thrives in rich, well-drained soil; give extra water in dry periods.
SALVIAFull Sun to Part SunAnnual10'-30"Prefers rich soil in full sun; drought tolerant, but fares better w/regular watering during prolonged dry periods.
SPIDER FLOWER (Cleome hasslerana)Full to Part SunHardy Annual3'-6'Self-sows; prefers rich soil, but tolerates wide range of soil conditions; drought tolerant.
STRAWFLOWER (Bracteantha or Helichrysum bracteatum)Full SunTender Annual14"-36"Prefers well-drained, sandy soil; tolerates hot, dry conditions.
SWEET ALYSSUM (Lobularia maritima)Full to Part SunHardy Annual3"-6"Self-sows; shear plants back for fresh blooms if flowering slows in heat of summer.
VERBENAFull SunHalf-Hardy Annual6"-4'Prefers rich, sandy soil; do not overwater; deadhead.
WAX BEGONIA (Begonia semperflorens-cultorum)Full Sun to ShadeTender Annual6"-12"Performs well in sun or shade; tolerates variety of soil conditions, but prefers rich, well-drained soil.
ZINNIAFull SunTender Annual6"-36"Deadhead; tolerates wide variety of soil conditions.

 

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