As a cosmetic garden industrial plant , hostashave become a very democratic selection . They are wintertime hardy , easy to propagate and both their flowers and leafage have marvelous visual appeal . However ; like all plant , Hosta can develop trouble . If the leaves on yours are developing brown spots , there may be several effect at work . They might be environmental in nature , or the event of plant life pathogens . Here are some potential causes and remedies .
Sunshine
Hosta are subtlety loving plants that are not heat liberal . They fare well when they get the nerveless morning sun and the cryptical shade of the afternoon . The dark-brown leaves appearing on your plants may be stimulate by too much hot direct sunshine . If potential , you might dig up the plants and move them to a more suitable localization . If it is too recent in the grow season to try this , perhaps you could find something to shade them with and move them in the spring before the new growing season begins in earnest .
Water
For proper growth and development , hostas require regular tearing . The experts at Ohio State University recommend that Funka get a lower limit of one in of pee per hebdomad . The leave-taking on your plant may have dried and go bad due to a lack of water . If you are watering your plant regularly , you may ask to water them more often . irrigate them in the morning , so the warm good afternoon breeze does not get excessive evaporation before the wet reaches deep into the grunge . If your soil is arenaceous and drains too quickly , you may need to apply extra pee or improve the ground by adding organic material .
Pests
Hostas must be very tasty , because they are attacked by a variety of garden gadfly . poke and snails chew on the leaves and damage them to the point when they deform brown and go . Black vine weevils and nematodes also feed on hosta leaves and will cause leaves to wilt and wry . Slugs and snail are the most common enemy of hostas and can be eradicated with the use of chemic pellets which are sprinkle on the ground surround the plants .
Frost Damage
If the leaf of your hostas was exposed to a tardy spring frost , the dark-brown farewell are belike an reading of freeze damage . Unless the entire plant has frozen and turn brown , it will believably recuperate on its own . Until all danger of frost has come about , you may take to cover the plants on especially chilly evenings .
Disease
Several viruses and fungus kingdom have recently begun attacking Funka plants . Some chemic discourse have been developed , but none have proven to be completely effective . Contact your local agricultural extension service for advice and suggestions . However ; if your plants have been severely infected , your only choice may be to turn over them up and discard them . Good portion dealing with your hosta problem .
