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Hosta leaves and stems are eaten by deer, rabbits, slugs and snails, and the roots and rhizomes are eaten by voles, all of these can cause extensive damage to collections in gardens. Some varieties seem more resistant to slug damage, which is more prevalent later in the growing season, than others.
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Animals may also spread the virus through the sap by eating from an infected plant and then eating from an uninfected plant, though this has not been proven. Other unidentified vectors may exist. [9] [13] People who wish to buy hostas may request proof from the seller that the hosta is HVX-free before purchase. After purchase, even if test ...
Hostas are an old favorite in the perennial garden, with good reason: They’re reliable, long-lived shade-loving plants that come in an array of pretty hues from chartreuse to blue-green.
To make the cuts, grab several clusters of hosta leaves in one hand and prune the leaves with the other. Once the foliage is cut back, add a layer of compost mulch to the border.
When certain insects are present, the eggs laid over the stored vegetables will be invaded by the bacteria, becoming host and transporter, able to infect others as they grow. The bacteria then overwinters within the plant tissues, insect hosts, or in the soil and lay dormant until the conditions are right again to reproduce.
Symptoms can overlap across causal agents, however differing signs and symptoms of certain pathogens can lead to the diagnosis of the type of leaf spot disease. Prolonged wet and humid conditions promote leaf spot disease and most pathogens are spread by wind, splashing rain or irrigation that carry the disease to other leaves.
These plants can help repel bugs in the garden: Nasturtium. Nasturtiums are easy to grow from seed, and the bonus is that the leaves and flowers are edible and can be used to garnish salads or drinks!