Generally, cut dahlias last between 4 to 7 days after being harvested ... year's planting or leave them in the soil. In ...
Plant tubers directly in the ground at a planting depth of about 4 inches. Position the ... May is a great month to plant dahlias for anyone in growing Zones 3 to 6 as the soil is warmer at ...
While dahlias are grown as perennials in zones 8 and higher, in lower zones they are treated as annuals. But, if you dig ...