nd one of the
|Southern United |lilac or |hardiest of all
|States |purplish |Rhododendrons, and has
| |flowers; |played a large part in the
| |late May |production of the present
| |and June |race of garden
| | |Rhododendrons, and is with
| | |R. ponticum the best stock
| | |on which to graft the
| | |various varieties, and is
| | |useful for covert. It is
| | |hardier than R. ponticum,
| | |and varieties with much of
| | |the Catawbiense blood in
| | |them are hardier than those
| | |closely allied to other
| | |species. Fastuosum fl. pl.
| | |is a well known form.
| | |
R. caucasicum |Introduced |Rose or |This is a quite hardy
|nearly a century|whitish |Rhododendron. The true
|ago from high |green |species is rare in gardens,
|rocks close to |spotted |but there are several
|the snow-line in|flowers, |forms, and it has been used
|Caucasus |in compact|to a great extent by the
| |and |hybridist. It is dwarf,
| |upright |spreading, little more than
| |clusters |a foot high, with ovate
| | |leaves with brownish
| | |tomentum on the under
| | |surface. It flowers late in
| | |July or in August, but its
| | |progeny is in beauty during
| | |May and June. A hybrid,
| | |which flowers at a