Turtlehead, Chelone oblique, is native to wet, marshy areas of south-central North America which is probably why it thrives in our soggy part of the planet.
Sneezeweed, Helenium autumnale, as its species name implies, is a fall-blooming perennial native to most of North America. Easy to care for, it grows from 3 to 6 feet tall in sunny locations with good drainage.
Monkshood (Aconitum sp.), also known as wolf's bane, is a large genus of late, summer-blooming perennials native to the northern hemisphere.
Spiraea douglasii, commonly known as Douglas's spiraea or Hardhack, is a Northwest Coast native shrub that is found growing in moist areas from the mountains of Northern California to Alaska.
Surprisingly, the most photographed plant at the Arboretum this year has been Dahlia "Mystic Wonder." Since we planted them in mid-spring, visitors have been drawn to the almost black foliage and showy, dark red flowers.
Merrill Jensen has combined his profession as a horticulturist with his hobby as a photographer in an upcoming lecture he'll lead on the "Flora...
Flowers highlighted in this column over the last few months are blooming and thriving, due in great measure, to the conscientious efforts of the Jensen-Olson Arboretum's seasonal gardeners.
Masterwort, Astrantia major, is one of the workhorses of Juneau's summer gardens. This carefree, low maintenance member of the carrot family blooms continuously from high summer into fall with white flowers.
Bighead Knapweed, centaurea macrocephala, is one of the most asked-about plants at the Jensen-Olson Arboretum when it's in bloom. While many knapweeds are listed as highly invasive, C. macrocephala is well-mannered in gardens here in Southeast Alaska.
One of our summer blooming primroses, Primula vialii, is also one of the most captivating ones grown at the Jensen-Olson Arboretum in the national Primula collection, recognized by the North American Plant Collections Consortium.
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