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The Plant Guide

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‘Mahogany Jewel’ nasturtium

Tropaeolum majus 'Mahogany Jewel'

troe-pay-OH-lum MAY-jus

This old-fashioned cultivar of the species has a mounding habit and grows 12-18 inches tall and wide. In summer and fall, it bears mahogany red, single to semi-double flowers. The rounded leaves and spurred, five-petaled flowers are edible.

Noteworthy CharacteristicsThese annuals are native to South America. Their leaves are notably round, palmately lobed, or palmate. The spurred flowers are widely funnelled, with 5 petals that are curiously fringed or lobed. They are suitable for garden edges, herb gardens, covering banks, hanging baskets, and other containers. 

CareProvide moist, well-drained soil in full sun. T. majus flowers best when grown in lean soil.

PropagationSow seed indoors in early spring, or in situ in mid-spring.

ProblemsCaterpillars, flea beetles, black aphids, slugs, whiteflies, viruses.

  • Genus : Tropaeolum
  • Plant Height : 1 to 3 feet
  • Plant Width : 1 to 3 feet
  • Plant Type : Annuals
  • Uses : Containers, Ground Covers
  • Moisture : Dry to Medium
  • Growth Rate : Fast
  • Characteristics : Fragrant Flowers, Self Seeds, Showy Foliage
  • Light : Full Sun to Partial Shade
  • Maintenance : Low
  • Flower Color : Red
  • Bloom Time : Summer
  • Plant Seasonal Interest : Summer Interest

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