Summertime’s Sweet Carolina Lupine: Basking in Her Graceful, Golden Glow
Oh sweet, sweet Carolina… I love how your golden blossoms illuminate the evening garden like the glow of candlelight. And on these early summer days, Carolina Lupine (Thermopsis carolina,Â also known as Thermopsis villosa), is quite literally covered with butterflies and bumblebees. With beautiful, long-lasting flowers —elegant and sturdy in a vase—beginning in late spring/early summer, upright/durable habit, ornamental, grey-green foliage; what more could you ask for in a perennial plant? Oh, did I mention that this gorgeous, low-maintenance beauty is a native plant? Yes, Carolina Lupine (Thermopsis caroliniana/Thermopsis villosa), is a North American wildflower!
Â A favorite flower of butterflies and bees, Thermopsis caroliniana is native to the open meadows and prairies of Tennessee, Virginia and the Carolinas. This 3-4′ tall, 3′ wide perennial dislikes humidity and performs best in gardens at the northern edge of its hardiness range (USDA zones 4-8); particularly those with good air circulation. High temperatures, humidity, still air and overcrowding can lead to fungal diseases and decline (try this organic, homemade remedy if fungus is a problem), so give this beauty room to move in the wind. I find the post-bloom, hairy seed pods interesting to look at, but if they aren’t to your liking, just snip them off. In addition to airflow,Â Carolina Lupine requires full sun and well drained soil.
Â Soft, Summer Hues: ThermopsisÂ caroliniana & Aruncus dioicus in the Native Garden
Carolina Lupine’s bright, light yellow blossoms and pretty foliage work well with many garden design compositions. I like to combine this false lupine with ornamental grasses and other native wildflowers; including Goat’s Beard (Aruncus dioicus), Beard’s Tongue (Penstemon digitalis), Gayfeather (Liatris spicata), various Coneflower cultivars (Echincacea purpurea), Meadow Sage (Salvia nemerosa), Queen-of-the-Pairie (Filipendula rubra), and the list goes on. Dark-leafed Ninebark cultivars (Physocarpus opulifolius cvs.), such as ‘Summer Wine’, ‘Diablo’ and ‘Center Glow’ provide a dramatic, maroon contrast to bring out the yellow. If you like a bit more subtlety, try planting Carolina Lupine against a backdrop of deep, blue-green conifers or a weathered fence. Gorgeous!
Garden Design: Michaela Medina Harlow
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