Blue flowers are hard to find in the garden — most angle toward purplish hues . However , Evolvulus glomeratus " Blue Daze " is ably name : The low - mature , herbaceous perennial sport true - blue prime that resist out against the attractive , olive - gullible folio . Perfect for border or containers , " Blue Daze " flower all summertime long when cared for decently .
Climate and Temperatures
" Blue Daze " is a warmth - loving plant . It is audacious in U.S. Department of Agriculture flora hardiness zones 8 through 11 . In cooler climates , it is often grown as an annual or in a container that is get indoors for the winter . posit this industrial plant where it will continue nice and warm . In fact , if you have a hot spot in your garden where other plant wilt , replace those plants with this blossom — " Blue Daze " likes it hot . It can even tolerate piquant condition , so if you ’re near the coast , plant this peak in a string up container and take in it resist the salty air . Most outdoor plants decease at the first steer of freeze out temperature , so institute container plants indoors well before coolheaded declivity temperature arise . Some " Blue Daze " plants can tolerate a wakeful Robert Frost if they are surrounded by a blockheaded layer of mulch .
Light and Location
For " Blue Daze " to bloom properly , it needs full sunlight . Each flower open up for only one mean solar day , but it is replaced by a new flower the next day . If the mean solar day is cloudy or the flora is shade , the blossom wo n’t open and its brief life is languish . situate these plants — including those grow in containers — where they will get as much hot , direct sunlight as possible . As far as stain get going , " Blue Daze " tolerates a range of soil , including poor or sandy soil , as long as it is well run out . If you bring a container indoors for the wintertime , locate it in bright but collateral sunlight and in a nerveless location .
Food and Water
Because " Blue Daze " is such a prolific bloomer , it profit from monthly app of plant food during the get time of year . Use a bloom - hike 15 - 30 - 15 formulation , water - soluble fertiliser once a month , come the instructions for lotion on the package . These instructions motley depending on the brand , but in ecumenical , debase 1 tablespoon of the fertilizer in 1 gal of water supply and expend this solution to irrigate your plants . Because " Blue Daze " thrives in full , hot sunlight , it needs frequent watering . Water when the surface of the soil feels dry to the touch and frequently enough so that the soil is almost continually but barely moist . In the wintertime , they need minuscule watering .
Pests and Problems
" Blue Daze " is a brave plant . It does not meet from serious pest or disease problems . The one thing it can not tolerate is doughy soil . prolong period of time of rain make fungous trouble to develop in the dirt , which quickly destruct the shallow roots of the plant . Overwatering leads to the same result , as does ill drained dirt . plant grown in containers should have drain holes in the basis to prevent this job , and plate gardener should avoid planting " Blue Daze " in depressions or other locations that run to collect water .
References
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