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I have a lobelia, three salvias and a phormium which I've just put into the greenhouse for over wintering. This is the first time I've had any half hardy plants and am not sure what I should do about watering during their stay in the greenhouse.
I also have some pelargoniums which have been cut back to the bone. Do I leave them dry or do I water them a little?
I'd be very grateful for advice please.
I'd keep them dry-ish and only water if they start looking floppy.