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Imperial Blue Plumbago / Cape Leadwort
Imperial Blue Plumbago / Cape Leadwort

Plumbaginaceae Plumbago Auriculata Imperial Blue

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Grows InZone 9A · 20° to 25° F through Zone 11 · Above 40° F
Sun ExposureFull / Mostly Sun, Morning Shade / Evening Sun, Dappled Light / Filtered Sun
Soil DrainageWell Drained, Moderately Drained
Resistent ToDrought, Heat, Salt Tolerant
Flower ColorBlue
BloomsSpring Blooms, Early Summer Blooms
Foliage ColorBlue Green
Average Height3' to 4'
Average Width8' to 10'
AttractsVisual Attention
Additional Information About Imperial Blue Plumbago / Cape Leadwort

NOTICE:  We do not ship our tropical plants to a location unless and until low temperatures are above 55 degrees Fahrenheit 

More about Imperial Blue Plumbago ...

Noteworthy Characteristics

Imperial Blue Plumbago, Plumbago auriculata, is a tropical shrub that produces deep powder- to sky-blue flower clusters at the ends of gracefully arching branches. If you're looking to cool decks and other outdoor living spaces during the heat of summer, this is your plant! Flowers are produced year round in hot climates and spring through fall in cooler climates. Butterflies love them. Great for use in garden beds or containers.   


Imperial Blue Plumbago is useful as a colorful accent or in groupings in landscape beds and foundation plantings, in mass on embankments and slopes, as an informal hedge, filler plant, or in containers where they make a perfect entryway plant. Can also be tree-formed or trained on a trellis for espalier. Where not winter hardy, it can be used outdoors as an annual in beds or as a container plant that can be overwintered indoors or in a greenhouse when low temperatures drop below 40 degrees. 


USDA Zones : 8b-11, mulch heavily during winter in Zones 9a and 8b

Plant Type:  Tropical Shrub
Height:  3-8', depending on climate
Width:  3-10', depending on climate
Sun / Light Needs:  Full Sun to Part Sun
Soil Type:  Well-drained, acidic
Water Needs:  Low when established
Fertilizer Needs: 2 to 3 times during the active growth season with a slow-release granular fertilizer
Maintenance: Low
Flower Color:  Deep Sky Blue
Bloom Season:  Year round
Fragrance:  None
Attracts:  Butterflies, Visual Attention
Resistances:  Deer, Heat, Drought
Salt Tolerance:  Low
Houseplant Usage: Can be overwintered indoors

Helpful Articles from Our Experts

How To Overwinter Tropical Plants Indoors

See all Tropical Plants >


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