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Clematis Trouble Shooting Chart |
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Below are problems that can occur on clematis.
Part Affected
| Symptoms
| Possible Cause
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Flowers
| Holes bored into the side of the flower buds
| Budworm
| Flowers
| Flowers not the right colour
| Weather
| Flowers
| Flowers don't stay on the plant for long.
| Over fertilizing
| Flowers
| Flowers go brown at the edges.
| Thrips
| Flowers
| Flowers are single, not double during spring on varieties that should flower double in the spring.
| Single flowers
| Flowers
| Small flowers
| Water stress.
| Flowers
| Flowers come out green in early spring
| Weather
| Leaves
| Leaves eaten starting from the outside.
| Caterpillars
| Leaves
| Holes in the leaves, usually in the middle of the leaves
| Slugs and Snails
| Leaves
| Leaves going brown starting from the base and progressing up the plant.
| Water stress
| Leaves and Stems
| White powder on the leaves and stems followed by black blotches
| Powdery Mildew.
| Stems
| New shoots fail to appear in spring. On closer inspection they are chewed off.
| Slugs and Snails
| Stems
| Bark stripped off the plant creating a pattern of brown bark and no bark
| Slugs and Snails
| Whole Plant
| Partial or complete collapse of the plant
| Clematis Wilt
| Whole Plant
| Whole plant turns black starting from the new growth.
| Over watering |
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