Texas salvia ( Leucophyllum frutescens ) is also normally referred to as ceniza , barometer bush or over-embellished sage . It is an evergreen bush native to Texas and New Mexico . It is a hardy works , particularly under the high heat conditions of its native land . Generally , these plant are low - sustainment and pest- and disease - free . There is only one type of fungus , cotton antecedent rot , that affects the Texas sage .
Description
Texas salvia is hardy in USDA zone 8 through 11 and is implausibly heat - tolerant . It can grow up to 8 feet marvelous . It prefers full sun and rocky , alkalic dirt . The leaves are oval and alternate on the bow . It blossom profusely , with tube-shaped flowers that are up to 1 column inch wide . Flower vividness depends on the cultivar but can be clean , pink or purple with spotted throats . It flowers all summertime and into downslope due to the gamey humidness of the region . lay down plants only require watering every two to three hebdomad in the summertime .
Uses
It can be used as a hedgerow or moulding of mass planting for cover . It grow well in Florida ’s summer heat and is one of the most popular shrubs in southerly Arizona . The Texas sage provides the backdrop for many desert gardens .
Cotton Root Rot
cotton plant root rot is get by the soil - deliver fungus Phymatotrichopsis omnivora . It is also know as Texas root rot and Ozonium root rotting . It is a very destructive disease but since it prefers summers with very high heat , it is limited mostly to the southwest United States . It can attack more than 2,000 species of plants .
Symptoms of Cotton Root Rot
The first symptoms of infection include the yellowing of the leaves followed by the wilting of the industrial plant . These symptoms commence to occur in June when the soil temperatures reach 82 degree Fahrenheit . The works will die suddenly after the wilt , even if it was growing well prior to contagion . tumid shrubs and tree die more slowly . By the clip the outward symptom have seem , the roots have already been invaded by the fungus . decayed root word are decayed , and wooly strands of the fungus can be see . If the grunge remains too wet , the spore gym mat , or spot of the fungus , can be take care on the top of the soil . They are white , cottony spot that by and by become tangent and powdery . The fungus spread by lento growing through the soil from industrial plant to constitute . It can outlast for many eld .
Control
There are several control methods for this fungus . One method is to add organic amendment to the stain . Another method acting is using flora barriers — planting resistant species around the sage to limit the spread . Another command method acting is to imbed the salvia alone instead of in rows or hedges . Finally , fertilizer luxuriously in nitrogen can disinfect the soil and slim down the incidence of root rot .
References
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