Rosa can be deciduous or semi-evergreen shrubs or scrambling climbers, with usually thorny stems bearing pinnate leaves and solitary or clustered, 5-petalled flowers followed by showy red or purple fruits
Gallica roses are compact, prickly shrubs with dull green foliage and generally fragrant, single to double flowers in small clusters in mid-summer
'Charles de Mills' is a small upright shrub to 1.2m, with copious mid-green foliage and very fragrant, fully double, quartered, crimson-purple flowers 10cm in width