Plant out, during the last week, dahlias, hardy pelargoniums, stocks and calceolarias, protecting the dahlias from slight frosts.
Take up, dry and store dahlias and all tender tubers at the end of the month; pot lobelias and similar half-hardy plants from the open borders.
Stake and tie up dahlias and strong herbaceous plants.
Plant out dahlias and other tender subjects, if risk of frost is past.
Sow stocks, dahlias and a few tender and half-hardy annuals, on a slight hotbed, or tin pots.
Propagate old roots of dahlias by cuttings of the young shoots in a hotbed.