l68 THE FORCING GARDENER. B. IV 



dwarfs ftiould be planted where the riders 

 ftood, and the old dwarfs fhould be con- 

 verted into riders by degrees as the young 

 ones advance. 



The Peach-feafon might be further pro- 

 longed by cultivating a few dwarfs in pots 

 or boxes, in the fame- manner as is hinted 

 for cherries, Chap. III. Seft. VIII. In 

 this manner, I have witnefled the feafon 

 of this fruit being fo far changed, as that 

 ripe Peaches were produced about Chrift- 

 mas * ! 



SECTION XL 



On the Cultivation of Peaches and Ne&arines on 

 Walls, with Canvas Screens, Nets, ifc. 



IT may be faid that flued walls are eflen- 

 tial to the produdion of Peaches and 

 Nedarines in the open air, in the more 

 northern parts of this country, although 

 there are fome fpots, and in fome fitua- 

 tions ? where good crops in fome feafons are 

 obtained without them ; but to their pro- 



-^ ducUoii 



* By Mr Black, gardener at Mordun, near Edin- 

 burgh, in 1797-8. 



