All answers are things found in the garden
4 squeal of delight with learner for example leads to container(7 3)
9 savage existence(8)
12 short arrival joins mail pile(7 4)
14 plaything surrounds broken duo(7)
18. Solemn twelve(6)
20 argon drill meets belly(9)
22 sounds like regret hook(7)
Thanks for any help