This is a fragrant twining hybrid between L. caprifolium and L. etrusca. It blooms earlier in the season than L. periclymenum, but it doe...Read Mores not repeat bloom. L. x americana is a synonym, and is sometimes used for L. x italica in commerce. http://www.cabdirect.org/abstracts/19910307583.html;jsession...
Flowers look like L. periclymenum, and it is often confused with it in commerce. To tell the two apart, examine the terminal leaf pair. If they're fused at the base, it's L. x italica.
It is not aggressive or invasive in N. America. BONAP shows no reports of it naturalizing in N. America.
The Royal Horitcultural Society has given its coveted Award of Garden Merit to L. x italica f. rubella, the form most commonly found in commerce.
This is a fragrant twining hybrid between L. caprifolium and L. etrusca. It blooms earlier in the season than L. periclymenum, but it doe...Read More