Harmony is a rootstock, described by Dr Richard Smart (2015, p.627) as ‘a hybrid of open pollinated seedlings selected from V. champini and 1613 C at Fresno, California, in 1966.’

Attributes: Quite tolerant of root knot and dagger nematodes, low phylloxera tolerance, moderate to high vigour (Dr Richard Smart, 2015).

Bibliography

Dr Richard Smart in the Oxford Companion to Wine 4th edition ed. Jancis Robinson MW and Julia Harding MW (Oxford University Press, 2015, p.627.