Mohr’s Rosinweed Is an Impressive Native Pollinator Plant

I was first precede to Mohr ’s tarweed on a botanizing misstep to northern Alabama . It ’s a true native loyalist and one of the many durable plants in the genusSilphiumthat are indigenous to prairies , meadow , and grassland across the United States . These resilient members of the aster family are live to be both beautiful and extremely blue maintenance in a garden circumstance .

Mohr ’s Silphium laciniatum has a definite architectural quality , with wiry stems that develop from the basal clump of hirsute leaf . The daisy - like summertime efflorescence are a soft atomic number 16 yellow and are slightly fragrant . The 2 - in - broad blossom are bear atop shank arrive at up to 5 feet tall . As with the many other fellow member of this mob , the middle part of the flower makes seed that are adore by the American New World goldfinch . The leafage has large , fishgig - same leaves that are backbreaking to cut . This species is host to the genus Silphium borer moth ( Papaipema silphia ) , and its nectar supports butterflies , bees , and wasp , which makes it a valuable pollinator plant . It can grow in various soil types , including well - drained , rocky , and sandy , and it can even put up with mud . Once established , this relatively long - survive perennial requires piffling care to look skillful . It will also bear utmost summertime heat energy and drought - like condition once establish .

Although Mohr ’s rosinweed is a tall plant , it can be lay in the middle or at the front of the garden because its bulky foliage is concentrated at the bottom . Because you ’re capable to look through its tall unfolding stems to see the plants behind it , Mohr ’s rosinweed has been call a “ see - through plant . ” It fuse especially well with aboriginal grasses , include switchgrasses ( Panicumvirgatumand cvs . , Zones 5–9 ) and little Andropogon gerardii ( Schizachyrium scopariumand cvs . , Zones 3–9 ) . The plebeian name of Mohr ’s gumweed was chosen by American plant scientist John Small in 1897 . It honors Charles Mohr , an Alabama - based pill pusher and plant scientist whose area studies lead to the publishing of Plant Life of Alabama after his death .

Mohr’s rosinweed

Silphiummohrii

Zones:5–8

Conditions : Full sun ; well - run out soil

Native range : Southeastern United States

Andrew Bunting is vice president of horticulture at the Pennsylvania Horticulture Society .

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