When it comes to treat dark-brown spots on hydrangea leaves , it ’s important to understand that the problem is because of a fungus . This fungus spreads through spores , especially in wet or humid conditions . To effectively control and deal leafage spot on your hydrangeas , there are several steps you may take .
1 . Avoid overhead watering : One of the central way to prevent the bedcover of the fungus is to quash irrigate your hydrangeas from overhead . This mean head off sprinkler or any method that wets the foliage . Instead , water at the floor of the plant , straight into the soil . This helps keep the leaves dry and reduces the chances of the fungus spreading .
2 . Remove and destroy pathologic industrial plant function : If you notice any leave of absence or stems with brown spots , it ’s of import to take away them immediately . This helps prevent the spread of the fungus to healthy parts of the industrial plant . Be sure to dispose of the pathological plant character properly by either burn them or throw them away in sealed bag .
3 . meliorate air circulation : Good gentle wind circulation around the hydrangea plant can help reduce humidness and preclude the growth and ranch of the fungus . If your hydrangea is embed in a crowded area or too close to other plants , regard pruning or thinning them out to create better flow of air .
4 . use a antimycotic : If the folio spot job persists or becomes severe , you could reckon using a fungicide . One effective fungicide for plow leaf spot on hydrangea is Immunox . Always adopt the instructions on the recording label for proper diligence and safety precaution . It ’s significant to note that antifungal agent should be used as a last resort and only when necessary .
5 . supervise and adjust lachrymation : Pay aid to the conditions and adjust your lacrimation schedule accordingly . Overwatering or excessive wet can create favorable conditions for the fungus to flourish . Water your hydrangeas profoundly but less frequently , allowing the top few column inch of soil to dry out between waterings .
6 . Mulch the right way : implement a layer of organic mulch around the base of your hydrangeas can help continue soil wet and govern temperature . However , check that not to jam the mulch against the stems or leaves , as this can create a moist surroundings that encourage fungous growth . Leave a low gap around the base of the works to promote air circulation .
7 . Maintain overall plant health : goodly plants are more tolerant to diseases and pests . Ensure your hydrangeas are well - feed with balanced fertilizers and take in adequate sunlight . Avoid overfertilizing , as inordinate nitrogen can make plants more susceptible to fungal infections .
think of , treat brown spots on hydrangea leaves requires both preventative measures and intervention . By take these steps and keeping a close eye on your plants , you may effectively carry off and control folio spot on your hydrangea .
Caroline Bates