Thunbergia 'Blue Glory' is a weak-stemmed tropical vine from the acanthaceae family, prized for its showy flowers that bloom reliably from June through September. Hardy in USDA zones 10-12, this variety grows to 2-3 feet tall and spreads 3-6 feet wide, making it a graceful addition to warm-climate gardens. Rather than climbing with tendrils, it characteristically scrambles and weaves through nearby plantings, creating a naturally soft, interwoven effect. The genus itself honors Carl Peter Thunberg, an 18th-century Swedish botanist whose travels through South Africa and Japan earned him a professorship at Uppsala University, and 'Blue Glory' carries on that heritage of botanical exploration with its striking blue flowers.
Partial Sun
Moderate
10-12
36in H x 72in W
—
Moderate
Hover over chart points for details
This weak-stemmed scrambler brings tropical elegance to warm gardens without demanding a formal support structure. Its showy blue flowers arrive reliably each summer and persist through early fall, providing months of color with minimal fussing. In zones 10-12, it thrives in full sun to partial shade, though it actually prefers some afternoon shade in the hottest climates and flowers best when not overshadowed. The low-maintenance nature and moderate water needs make it a relaxed choice for gardeners who want impact without constant attention.
Thunbergia 'Blue Glory' is grown purely for ornamental purposes, valued for its showy blue flowers rather than edible or culinary applications. Gardeners cultivate it in warm climates where it can scramble through perennial borders, soften hard landscape edges, or weave through informal structures. Its relaxed growth habit makes it suited to gardens that favor natural, unmanicured aesthetics over formal trellised designs.
No timeline data available yet for this variety.
No care instructions available yet for this variety.
Enter your ZIP code to see a personalized growing calendar for this plant.
“Thunbergia as a genus comprises roughly 100 species of annuals, perennials, shrubs, and vines spanning tropical Asia, tropical and southern Africa, and Madagascar. The genus name itself pays homage to Carl Peter Thunberg (1743-1828), a Swedish botanist whose explorations of South Africa and Japan in the 18th century reshaped European understanding of tropical plant diversity. He eventually became professor of botany at Uppsala University, cementing his legacy in botanical science. 'Blue Glory' represents the modern horticultural tradition of selecting and naming superior garden forms from this ancient genus, continuing the spirit of botanical discovery that Thunberg embodied centuries ago.”