Canna lilies are happiest growing in moist, fertile, slightly acidic soil. But what should you do in terms of providing fertilizer to help ensure that they produce beautiful blooms?These plants are native to tropical
12.06.2023 - 01:02 / gardenerspath.com
How to Identify and Treat Common Canna Lily DiseasesThere’s nothing quite like the boldness of a tropical garden oasis. With their lush leaves and long-blooming flowers, canna lilies are a popular choice for gardeners to include in these spaces.
Canna lilies are water-loving plants that thrive in full sun and high humidity. Unfortunately, this growing environment brings specific issues – mainly fungi, bacteria, and pest-borne viruses.
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This isn’t meant to scare you away. Canna lilies are exceptional plants.
They are easy to grow and have minimal disease issues – a gardener’s dream! If you have the space and live in USDA Hardiness Zones 7 to 10, I couldn’t recommend these plants more.
You can find cultivation instructions in our guide to growing canna lilies.
Today, we’ll be diving into the most common diseases you may experience while growing your plants. Here’s what’s ahead:
1. Bacterial Leaf Spot and Bud RotBacterial leaf spot and bud rot is caused by the bacteria Xanthomonas cannae. This bacterial infection should be taken seriously if your plant begins showing symptoms, but it won’t prove fatal if you are able to control the spread.
This bacteria thrives in consistently moist and warm environments, and it’s spread by rain or water. So it makes sense that canna lilies might be a viable host plant.
In its initial stages of infection, the bacteria targets the leaves. They will begin to turn yellow, starting from the veins, and eventually forming lesions.
As the disease progresses, the leaves will ultimately succumb to necrosis. The bacteria will then pass to the blooms, causing bud rot.
You can minimize the
Canna lilies are happiest growing in moist, fertile, slightly acidic soil. But what should you do in terms of providing fertilizer to help ensure that they produce beautiful blooms?These plants are native to tropical
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