What to do about the cat digging up the raised beds - to be fair to him he has had free range of them all winter and doesn't understand seeds, seedlings and growing seasons. He thinks he is defending his territory against his arch-enemy, the cat from the next door's hedge, and against the local...
According to the seed pack of St George runner beans I have in front of me, sow indoors April to June, outdoors May to June. Plant out indoor raised crop in June. Harvest August to September.
Over two weeks in June the grow bags and pots will probably dry out - especially if the weather is hot and the bags are in the sun. It depends how big the pots and bags are. Group them together in shade if possible and water thoroughly before you go, and you might get away with it. Better still...