Fig. 28. How To Prune Pillar Roses

A, one year old plant of Reine Olga de Wurtemburg from a cutting: a, free root formation; b, leading growth shortened to about 15 inches; c, vigorous side growth cut back to about 9 inches; d, weakly side shoot shortened to two buds; e, portion of pole forming the support.

B, two years old pillar Rose (A a year older): f, leading growth shortened to about 2 feet and secured to the pole; g, side shoots from the stem cut back to two or three good buds each; k, continuation growth of a vigorous side branch shortened to about 18 inches; i, side shoots from a side branch cut in to two or three buds; j, vigorous shoot from the base as a result of close pruning, shortened to about 18 inches.

C, three years old pillar Rose: k, strong continuation growth from the leading branch shortened to thoroughly ripened wood and about 9 inches from the top of the pole, which is 7 feet 6 inches above ground; 1, one year old side shoots cut back to about four good buds; m, one year old spurs cut clean out; n, leading growth from a side branch shortened to well matured wood; o, one year old side shoots on a side branch cut back to about four buds; p, one year old spurs on a side branch cut clean out; q, spur growth cut close in [Note. - It is always advisable to retain some buds at the base of a branch]; r, leading growth of a side branch duly shortened; s, side shoots shortened to about four good buds.

D, four years old pillar Rose. Central branch (Ab) which has reached the limit of height: t, the leading growth shortened to the top of the pole; u, side shoots cut back to four buds; v, spurs cut clean away; w, a vigorous young shoot from the collar of the plant or base of the central branch, and intended to supplant the latter in a year's time, the central branch then being cut away in its favour. Side branch (Ac): x, continuation growth shortened to firm wood a little below the height limit; y, one year old side shoots- shortened to three or four buds; z, one year old spurs cut clean out; a, young shoot from the base of the plant, and intended to take the place of a side branch in a year or two's time. Side branch (Ad): b, continuation growth shortened to well ripened wood; c, side shoots shortened to three or four buds; d, one year old spurs cut clean away; e, a young shoot from the bnse of the plant intended to advance year by year and then take the place of the branch, this being then cut clean out at the base. Young growth: f, a shoot which has sprung from the collar of the plant, to be held in reserve for originating a vigorous shoot to take the place of a worn-out branch.