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1 lis 2018 · The 2 main causes of yellowing leaves on holly trees are either waterlogged soil or an iron deficiency. If the soil is very wet then this may indicate that you are over watering or the soil needs its drainage improving.
If it bothers you, you can cut off infected leaves (don’t leave them on the ground where fungal spores can spread back onto the tree – dispose of them). Thinning out your holly tree can improve airflow and reduce the amount of tar spots next year.
Holly bushes are susceptible to diseases like leaf spot, powdery mildew, and root rot. Leaf spot causes dark spots with yellow halos, and powdery mildew is a white substance on the leaves. You can manage them with good air circulation, proper spacing, and fungicidal treatments.
Set the holly in the ground, and match the soil level in the container (or the soil stain on a bare-root plant) with the new surrounding ground level. Toss in a bit more soil if the plant sits too deep. If the roots are circled or potbound, you’ll want to loosen them first.
12 kwi 2024 · ‘Nellie R. Stevens’ holly grows quickly with attractive form, foliage, and fruits. Loads of bright red berries shine against glossy green leaves in winter. Explore how to plant, grow, and care for Nellie Stevens holly with gardening expert Katherine Rowe.
Holly Trees: A Field Guide. Holly isn’t just a holiday plant; unlike poinsettia it’s interesting year-round. The gloss and spine of holly’s leaves give it a unique character, with berries as an added bonus.
8 gru 2022 · Holly blight, however, can be more serious, especially in damp climates, as the lower leaves turn black and drop off. Prevention is the only cure. Check over holly plants before buying and, if the problem arises later, clear away and burn all fallen leaves and remove the mulch as it may harbor disease spores.
