How to Grow Lambs’ Ears and Betony

dear ’ ear and betonies are easy to grow in full Sunday to light shade in well - drained soil , but betonies like the soil consistently moist , and Charles Lamb ’ ears favor it on the dry side . Their hardiness compass spans from Zone 4 through Zone 8 . These plants do have their quirks , however , like all plants . See the results from the Chicago Botanic Garden ’s late trial on lambs ’ ears and betony .

Moisture . Wet land in summertime and winter , high-pitched humidness , and moisture on the fuzzy leaves ( avoid overhead irrigation ) can cause root rot , fungous leaf spot , powdery mold , crown melt out , or death in lambs ’ ears .

Betonies overspread by slowly creeping stolon , which take root down as they grow . fraction betonies in bound as needed , every four to five years .

Invasive alert

Marsh hedgenettle ( Stachys palustris ) was removed from the test after two years due to its aggressive guide habit . It was meek - mannered thefirst summer butsprouted throughout the test plot of land and into surrounding turf the undermentioned spring . This plant is probably well left to its preferred habitat in soggy landscape , such as moist meadows , marshes , swales , and roadside ditches .

Richard Hawke is plant evaluation manager at the Chicago Botanic Garden in Glencoe , Illinois .

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