Houston , Texas , know a humid semitropical clime , which means spicy , muggy summers and milder , humid winters . Houston fall within United States Department of Agriculture ( USDA ) Hardiness Zone 9a . Houston gardener should choose plants grant to appropriate hardiness zone , bloom time , flower color , plant hardiness and general culture . Several dip blossom varieties perform well in Houston garden .

Black-Eyed Susan

Black - eyed Susans ( Rudbeckia hirta ) , sometimes called chocolate-brown - eyed Susans , belong to the daisy crime syndicate ( Asteraceae ) . This wildflower is perennial in the Houston area , bloom from June through October . vivacious yellowish petals palisade black or dingy chocolate-brown center disks . These flowers sit on top of hirsute stem ranging from 12 to 24 inches in tiptop .

disastrous - eyed Susans maturate well in various territory and ignition weather . Houston gardeners often plant shameful - eyed Susans in perennial flower bed , meadows and wild flower gardens .

Rock Rose

The rock rose ( Pavonia lasiopetala ) , also called the rosiness mallow and the rose pavonia , belongs to the mallow house ( Malvaceae ) . This flowering bush reaches about 4 feet in tallness and prefers ironical , limestone soils in partly shadowy to fully sunny fix . This industrial plant give birth leaves with deep green tops and wakeful green undersides .

Showy , pink and lily-livered flowers blossom from natural spring through November . Rock rose flowers work well in hummingbird garden and recurrent flower bed .

Texas Creeping-Oxeye

The Texas creeping - heliopsis ( Wedelia texana ) , sometimes called the haired wedelia , reaches up to 3 foot in tallness . This daisy family member ( Asteraceae ) bloom diminished , yellow or orange flowers from May through November . The grayish - green foliation put up rough hairsbreadth .

The Texas creeping - oxeye likes teetotal land that receive full sun . Houston gardeners often plant this flower in perennial flowerbeds and butterfly stroke gardens .

Scarlet Betony

The scarlet betony ( Stachys coccinea ) , also hollo the Texas betony , belongs to the mint family ( Lamiaceae ) and flourish in moist , loamy or clay soils . This industrial plant features aromatic , deep greenish leaves , hairy stem and reddened blossom that blossom from early spring through November . cherry betony plant extend to up to 3 foot in height and exploit well in hummingbird garden .

Fall Obedient Plant

The free fall obedient plant life ( Physostegia virginiana ) belong to the mint family ( Lamiaceae ) and naturally thrives along riverbanks in the Houston region . This perennial reach up to 4 feet in height . Pale purpleness or pinkish flower spikes add together colour to landscapes from August through November . free fall obedient plants prefer humus - productive , moist grime in various lighting conditions . This plant life work well in butterfly stroke gardens and hummingbird gardens .

Blood Sage

bloodline salvia ( Salvia coccinea ) , a perennial plant also call in cherry sage , blooms fragrant , red flowers from recent wintertime through the early fall . A appendage of the mint plant family ( Lamiaceae ) , blood sage plants have a nipping olfactory property that keep the cervid at a distance .

parentage sage put up various light and dirt condition . Houston nurseryman often habituate rip salvia in perennial flower bed and hummingbird gardens .

Rouge Plant

The rouge plant ( Rivina humilis ) , also live as the pigeonberry , adds color to Houston garden from natural spring through previous autumn . The rouge plant boast light pink flowers on the upper part of the stem , while the low-toned stem section bears bright red fruit that was once used to make cosmetics .

This pokeweed syndicate penis ( Phytolaccaceae ) reaches about 12 in in height and likes moist , well - drain soils that receive partial sun . Houston gardeners often habituate the rouge plant in bird garden and perennial flower beds .

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