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Growing Cardinal Climber

Growing Cardinal Climber

Cardinal Climber


A tender, vining plant with red flowers and tropical-looking leaves. Vigorous vines can climb up to 15 to 20 feet. Soak seed overnight in warm water or nick with a file before planting. Sow seed ½ inch deep outdoors after all chance of frost has passed. Can start seed indoors 4 to 6 weeks before last frost. 


Grow plants along a fence or on a tall trellis in full sun. Heat-tolerant. Prefers moist, well-drained soil, but tolerant of dry sites. Vines naturally twine around trellises, and are self-supporting. If vines outgrow trellis, cut overgrown parts back to promote new growth. Dead vines are not difficult to remove and do not damage trellises or fencing.

Fertilizer Recommendations

Use low rates of Algoflash Flowering Plant 4-6-7 Liquid Fertilizer (51087), Neptune Fish & Seaweed Fertilizer 2-3-1 (51221), or Osmocote 14-14-14 (51173).

Alternative Products

Other good vining annuals are Fancy Mix Morning Glory (06561) and Hyacinth Bean (05208). Clematis is a perennial climbing vine.

Complimentary Products

A moderate feeder, and benefits from occasional feeding. Over-fertilization can reduce flowering. Other good annual hummingbird plants include Summer Jewel Red Salvia (07770) and Arabesque Red Hybrid Penstemon (08952).

Product Recommendations

Natural Jute Twine (52886) can be used to create trellises to support vines.

Cardinal Climber Facts

Usually problem-free. Long-blooming, and flowers are attractive to hummingbirds and butterflies. Flowers close in the evening. Cardinal Climber is a hybrid cross of two tropical species. 

Growing Tips