Plant Library


Black Varnish Pseuderanthemum

Pseuderanthemum 'Black Varnish'

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Black Varnish Pseuderanthemum (Pseuderanthemum 'Black Varnish') at Pesche's Garden Center

Black Varnish Pseuderanthemum foliage

Black Varnish Pseuderanthemum foliage

(Photo courtesy of NetPS Plant Finder)

Height:  16 inches

Spread:  24 inches

Sunlight:  full sun  partial shade 


A dramatic variety with a wonderful upright habit, ideal for indoor containers and hanging baskets; features glossy, deeply veined oval foliage that are deep and dark as an eggplant with maroon undersides; foliage looks black in shaded areas

Features & Attributes

Black Varnish Pseuderanthemum's attractive glossy oval leaves remain deep purple in color with curious burgundy undersides and tinges of black throughout the year on a plant with an upright spreading habit of growth. It features dainty white star-shaped flowers with purple overtones along the stems from mid to late summer. The black stems can be quite attractive and add to the plant's interest.

This is a dense herbaceous evergreen houseplant with an upright spreading habit of growth. This plant usually looks its best without pruning, although it will tolerate pruning.

Planting & Growing

When grown indoors, Black Varnish Pseuderanthemum can be expected to grow to be about 16 inches tall at maturity, with a spread of 24 inches. It grows at a medium rate, and under ideal conditions can be expected to live for approximately 10 years. This houseplant will do well in a location that gets either direct or indirect sunlight, although it will usually require a more brightly-lit environment than what artificial indoor lighting alone can provide. It prefers to grow in average to moist soil. The surface of the soil shouldn't be allowed to dry out completely, and so you should expect to water this plant once and possibly even twice each week. Be aware that your particular watering schedule may vary depending on its location in the room, the pot size, plant size and other conditions; if in doubt, ask one of our experts in the store for advice. It is not particular as to soil type or pH; an average potting soil should work just fine.

There are many factors that will affect the ultimate height, spread and overall performance of a plant when grown indoors; among them, the size of the pot it's growing in, the amount of light it receives, watering frequency, the pruning regimen and repotting schedule. Use the information described here as a guideline only; individual performance can and will vary. Please contact the store to speak with one of our experts if you are interested in further details concerning recommendations on pot size, watering, pruning, repotting, etc.


Hardiness Zone Plant Height Minimum Sunlight
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