Annual Wildflowers
* Deer Resistant 

Common Name Botanical Name Lib RNC Size Bloom Period Description Cultural Requirements / Comments
Eryngo Eryngium leavenworthii 2-3' Jul-Sep Slender, spiny, turning purple Dry, well drained sites, flowerhead resembles spiny pineapple, great in dried arrangements
Greenthread Thelesperma filifolium 1-2' spring-fall Yellow blooms and delicate string-like foliage Not particular, superior annual yellow composite
* Indian blanket Gaillardia pulchella X 18" May-Jul Bronze-red, yellow-tipped blooms Thin seedlings, keep cutting back, aggressive, self-sowing
Mountain pink Centaurium spp. 9" spring-summer Dense mound of rose-colored flowers Needs full sun, good drainage, good on dry rocky slopes, self-sows
Plains coreopsis Coreopsis tinctora 18" May-Jul Yellow blooms, sparse, branching foliage Needs some moisture, otherwise easy, good sequel to spring flowers
Plateau agalinis Agalinis edwardsiana 1-3' Sep-Nov Bushy, 3/4" pink flowers, purplish foliage Dry, caliche spoils, sun
Purple horsemint Monarda citriodara 18" May-Jul Flowers purple/lavender/green on 5" spikes Not particular, self-sows readily, aromatic, said to repel fleas
Standing cypress Ipomopsis rubra 3-4' May-Jul Red tubular 11/2" flowers on 1' spikes, biennial Water and deadhead to extend bloom period, self-sows
Texas bluebells Eustoma gradiflorum 18" Jun-Oct 3" blue flowers, pale smooth leaves Sunny, well drained moist site, may live over winter if not allowed to seed
Texas bluebonnet Lupinus texensis 18" Mar-Apr Blooms clustered on low stems, palmate leaves Sow before mid-October, thin seedlings, protect against pillbugs, fungal disease
Texas paintbrush Castilleja indivisa 1' Apr-Jun Red bracts in spikes, bronzy pointed leaves Good drainage, don't transplant, low germination rate: keep trying
White prickly poppy Argemone albiflora 3' Apr-Oct Upright, prickly, 4" white flower Prefers sunny disturbed sites, extremely prickly: look, don't touch