Across

1 fig tree.
2 windy, breezy
7 edge or border, takes on the significance of coast or coastline
8 the herb savory
12 pear tree
13 juniper tree
15 thyme, the herb
17 oak tree.
18 frost, chill
19 the herb rue, comes to mean bitterness or unpleasantness

Down

1 fennel, also a stick to beat children with
3 storm
4 laurel tree; the laurel comes to signify success or triumph
5 fatherland, homeland
6 leaf
9 countryside
10 soil, earth, country
11 air, weather
14 rain storm, pouring rain
16 earth, ground, soil (similar to humus)