Strobilanthes penstemonoides humus-rich soil Robust and clumping with marbled

Robust and clumping with marbled leaves

densely-petaled yellow flowers bloom in late spring among mounds of very incised

mature size: 12 to 20 ft vines

round-headed

(The species is the national flower of Finland

Strobilanthes penstemonoides humus-rich soil Robust and clumping with marbledA rare, shrubby, evergreen perennial with deep green serrated leaves and lavender blue, tubular, penstemon like flowers. Bloom starts in mid spring, and with summer water, you can extend the bloom into summer. It will spread gradually to 5 feet wide by rooting along those side branches that come in contact with the soil. Evergreen perennial 4 ft x 5 ft Minimum temperature: 10 F