[GAZBEE]

At what time of year should early-second early and late potato tubers be planted

[Aunt Sally]

Middle to end of march down here.

[RichardA]

End of March in North Lincolnshire but be prepared to cover if frost threatens.
R

[Kristen]

At what time of year should early-second early and late potato tubers be planted

Same time as First Early is fine.

First, Second and Main refer to the length of time they take to mature, rather than the fact that they should be planted in succession.