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How to Care for an Imperial Blue Cape Plumbago Plant

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How to Care for an Imperial Blue Cape Plumbago Plant

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Overview

Imperial blue cape plumbago (Plumbago auriculata) is an evergreen perennial in the genus Plumbago. Native to South Africa, plumbago will grow well outdoors in the tropical and subtropical regions of the country. In cooler regions, grow plumbago in containers. With its long trailing limbs and phlox-like flowers, plumbago is suitable as a shrub, ground cover, grown in containers, or planted against a trellis. Once established, it is hardy, with the main concern being pruning to keep the plant under control. With its showy blue flowers, plumbago will be a welcome addition to your landscape that will be easy to care for.

Step 1

Grow the plumbago outdoors in an area of the garden that receives full sun to partial shade. Plumbago grows well in areas that receive filtered sunlight and prefers not to grow in total shade.

Step 2

Situate indoor-grown plumbago in an area of your house that receives bright light. Place the container by a window or doors that receive sunlight throughout most of the day. Set the plant outdoors during spring and summer.

Step 3

Amend the planting site with compost before planting. Place an annual application of new compost around the base of the plant once every year in spring. Water the compost in well.

Step 4

Water the plumbago two to three times per week during periods of hot weather to keep the planting site moist, but not soggy. Water the plant once to twice per week during normal weather conditions.

Step 5

Fertilize plumbago with a 20-20-20 water-soluble fertilizer once per month, or apply a 10-10-10 granular fertilizer in early spring, summer and fall. Water the granular fertilizer into the ground, once it is applied.

Step 6

Prune the plumbago as needed to control the plant's shape and size. Plumbago is a moderate grower and in the warmer regions of the country will require monthly trimming. Trim the plumbago to make the entire plant thicken and become denser.

Step 7

Use an insecticide specifically designed for use on plumbago if pests become a problem. Whiteflies, mealybugs and spider mites are sometimes a problem for plants grown indoors. Outdoor grown plants generally are pest free.

Step 8

Bring container-grown plants indoors to a sheltered location if a freeze or frost is expected. Cover plumbago grown outdoors with blankets to protect them from frosts or freezes.

Things You'll Need

  • Compost
  • Water
  • Fertilizer
  • Pruning shears

References

  • Information on Blue Cape Plumbago
  • Growing Blue Cape Plumbago
Keywords: plumbago care, growing plumbago, Plumbago auriculata

About this Author

Joyce Starr is a freelance writer from Florida and owns a landscaping company and garden center. She has published articles about camping in Florida, lawncare, gardening and writes for a local gardening newsletter. She shares her love and knowledge of the outdoors and nature through her writing.