The North Texas part fall into USDA Hardiness Zone 8a and Zone 7b . These zones , which include Dallas and Tarrant counties and their surrounding area , are amenable to come and winter growth . This is due to the region ’s temperate climate . dusty elasticity are brief but can be harsh , so it is important to choose plants that can survive utmost cold , especially during the winter months .

Chrysanthemums

Chrysanthemums flourish in the North Texas fall weather . Colloquially called mum , the flowers descend in two potpourri : flattened or elongate with ray florets , or short and tufted with a rounded psyche . They are perennials and , with right forethought , will last for several year . They perform dependable infull sunand can thrive in rock gardens and as low-toned borders . ma are vulnerable to aphids , thrips and root diseases . Early detection of source disease is imperative : if too much time has passed before treatment , you may recede the works .

Pansies

fairy are the most popular flower in North Texas gardens due to their hardiness and bright colors . According to " Neil Sperry ’s Complete Guide to Texas Gardening , " flora pansies directly from starter containers into your gardens close to two to four weeks prior to the last killing Robert Frost , so they will be well - established and well able to pull round a freeze . For good results , remove old blooms to advance fresh heyday production . Jan Pipher , of Texas Gardener , recommends planting pansies after average evening temperatures diminish below 70 degrees Fahrenheit , or in November .

Texas Aster

The Texas aster , or Aster oblongifolius , blossom from September to November in North Texas and let loose a pungent smell . This Texas native is a repeated and requires little maintenance . It can pass on pinnacle of up to 3 pes and spread out to 4 feet broad , produce it a good top or perimeter plant . It performs well in sandy , rocky and well - enfeeble soil and in full Lord’s Day to partial subtlety . For in force result , plant in August in ordination to see fall blooms .

Snapdragons

snapdragon expand in chilly conditions , making them a good choice as a wintertime flower in North Texas . harmonise to Jimmy Turner of the Dallas Arboretum , bloom grow during the wintertime will " bulk up and create many more flower stems and bloom longer than those planted in early spring . " They can survive a hard freezing as long as they do n’t dry out during the frigidness . Neil Sperry send word planting snapdragons 12 inches asunder , starting from baby’s room transplants .

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