for re-plaiiting the old roots, which must be- 
laid up ill sand during winter. The plants- 
should be sheltered from frost and much 
wet, as those, will be apt to destroy them, 
x\t the lirst p6i*lod, a cover made of wood 
and oil-paper, answers well for that purpose, 
which may be made in the form of a hand- 
glass. Continue to cover the plants in the 
night time, until June. The Dahlia is a 
very luxuiiant growing, plant, and requires 
to be frequently ivatered during the heat 
ami drought of summer. The first frosty 
night destroys its beauty- and vigor; — 
therefore no pains ought to be spared in 
order to bring it to flower as early as possible. 
1 have had the Dahlia flowering in great 
perfection, from the middle of July, until 
the latter end of October, at Levens Gar- 
dens,. Westmorland. 
The soil which answers best, is a rich 
compost of very rotten old hot-bed dung, 
and fine mellow vegetable mould, mixed 
with about a sixth part of sea sand. 
Digging up and Preserving the roots du- 
ring winter. 
As soon as the first frosty night has de- 
stroyed the flowers of the Dahlia, (which 
it never fails to do), let the stems he cut 
