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Campanula Glomerata (Superba Clustered Bellflower)




Superba is a strong-growing rhizomatous perennial which can grow up to a height of Height: 0.33 feet to 2 feet. It has medium sized leaves and dark green herbaceous foliage. It produces deep amethyst, dense clusters of flowers that are bell-shaped or funnel-shaped and Violet to Dark-purple in color. They bloom from spring to fall. The basal leaves are large and broad. The stem leaves are smaller than the basal leaves. Cut back after flowering to encourage a second flush of flowers.
These plants are used as groundcovers, in hanging baskets, in rock niches as a border plant. These plants are clump-forming and with erect stems. These perennials are deciduous in nature and the leaves are ovate dark-green and hairy. The stems are medium tall and upright. This plant is attractive to bees, butterflies and birds. These plants need Partial Shade to Full Sun. They grow in hardiness zones of USDA 3 to 8. The soil pH should be from 4.5 to 7.5. Water the plant regularly but do not overwater.

Growing conditions for Superba bellflower

• These plants need Partial Shade to Full Sun.
• They grow in hardiness zones of USDA 3 to 8.
• The soil pH should be from 4.5 to 7.5.
• It needs Well-drained/light, Chalky/alkaline type of soil.
• Water the plant regularly but do not overwater.
• Plant them in the spring season.
• Check for mites and aphids under the leaves regularly.
• The soil should be dug a foot deep and add organic fertilizer.
• Place the plants in the hole dug and cover it with soil.
• Place them 12 to18 inches apart to ensure enough space to spread.
• Add compost layer of 2 inches and a thin layer of mulch on top to ensure proper draining.

Care of Superba bellflower

• Deadhead the blooms as they fade for new growth.
• Fertilize to avoid destructive garden slugs that can be harmful to the bellflowers.
• Do not let dry out between watering.
• Keep the soil moist, but do not overwater.
• There are Specific pests to look for like Aphids, Slugs and Snails which attack under the leaves so check up daily is required.
• Fertilize for diseases like Leaf spot, Powdery mildew and rust.
• The plants are Deer Resistant.
• Fertilize with Plant-tone, Osmocote or Miracle Gro.

Images of the plant.





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