QuestionsHow to growFlowersSummer colour from seedwild flower seed sowing 0 Vote Up Vote Down fons jaspers asked 15 years ago When would be the best time to put out wild flower seeds of e.g. poppies or teasel, now or in spring? 1 Answers 0 Vote Up Vote Down Gerry Daly Staff answered 7 years ago Most wild flowers can be sown in September or March/April. Winter is a bit cold and seeds can be attacked by birds and beetles before they sprout.