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Glass Gem Ornamental Corn

Zea mays var. indurata 'Glass Gem'

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Glass Gem Ornamental Corn (Zea mays var. indurata 'Glass Gem') at The Flower Bin

Glass Gem Ornamental Corn fruit

Glass Gem Ornamental Corn fruit

(Photo courtesy of NetPS Plant Finder)

Height:  5 feet

Spacing:  18 inches

Sunlight:  full sun  partial shade 

Hardiness Zone:  (annual)

Description:

Mainly grown for its esthetic appeal, this variety is a must have in summer gardens and containers; tall sturdy stalks produce ears of corn full of translucent, jewel-toned kernels; beautiful added to fall and harvest decoration

Ornamental Features

Glass Gem Ornamental Corn is primarily grown for its highly ornamental fruit. The burgundy fruits with gold variegation and which fade to creamy white over time are held in abundance in spectacular clusters from late summer to mid fall. Its attractive enormous sword-like leaves remain green in color with prominent creamy white stripes throughout the season.

This plant is primarily grown as an ornamental, but it's also valued for its edible qualities. The long bland kernels are most often used in the following ways:

  • Drying

Landscape Attributes

Glass Gem Ornamental Corn is an open herbaceous annual with a shapely form and gracefully arching stems. Its wonderfully bold, coarse texture can be very effective in a balanced garden composition.

This is a relatively low maintenance plant, and should never be pruned except to remove any dieback, as it tends not to take pruning well. It is a good choice for attracting birds and squirrels to your yard. It has no significant negative characteristics.

Glass Gem Ornamental Corn is recommended for the following landscape applications;

  • Accent
  • Mass Planting
  • Hedges/Screening
  • General Garden Use
  • Container Planting

Planting & Growing

Glass Gem Ornamental Corn will grow to be about 5 feet tall at maturity, with a spread of 18 inches. When planted in rows, individual plants should be spaced approximately 18 inches apart. This fast-growing vegetable plant is an annual, which means that it will grow for one season in your garden and then die after producing a crop.

This plant does best in full sun to partial shade. It prefers to grow in average to moist conditions, and shouldn't be allowed to dry out. This plant is a heavy feeder that requires frequent fertilizing throughout the growing season to perform at its best. It is not particular as to soil type or pH. It is somewhat tolerant of urban pollution. This is a selection of a native North American species.

Glass Gem Ornamental Corn is a fine choice for the garden, but it is also a good selection for planting in outdoor pots and containers. Because of its height, it is often used as a 'thriller' in the 'spiller-thriller-filler' container combination; plant it near the center of the pot, surrounded by smaller plants and those that spill over the edges. It is even sizeable enough that it can be grown alone in a suitable container. Note that when growing plants in outdoor containers and baskets, they may require more frequent waterings than they would in the yard or garden.

 
 
Hardiness Zone Plant Height Minimum Sunlight
Characteristics
Accent  Massing  Screening  Garden  Container 
Applications
Vegetable 
Ornamental Features
This guide is an online resource representing many of the varieties that we carry over the course of the season, and is intended for informational purposes only. Inventory varies seasonally, so we cannot guarantee that every plant will be in stock at all times - please contact the store directly for current availability. It does not include our entire selection of plants, so be sure to visit our store to see varieties that may not be represented on this list.