Level	Method	GP/XP	XP	GP/Patch
2	15	Oak tree	-7.174 gp/xp	522.9 xp	-3.857 k
2	30	Willow tree	-3.76 gp/xp	1,571.2 xp	-6.007 k
2	45	Maple tree	-5.127 gp/xp	3,635.2 xp	-18.88 k
2	60	Yew tree	-9.409 gp/xp	7,521.7 xp	-71.582 k
2	75	Magic tree	-15.66 gp/xp	14,622.0 xp	-231.4 k
2	90	Elder tree	-11.616 gp/xp	24,558.1 xp	-289.224 k
3	72	Calquat tree	-1.916 gp/xp	13,157.8 xp	-25.474 k
3	27	Apple tree	-5.21 gp/xp	1,353.1 xp	-7.171 k
3	33	Banana tree	-2.276 gp/xp	1,949.9 xp	-4.505 k
3	39	Orange tree	+0.848 gp/xp	2,731.8 xp	+2.349 k
3	42	Curry tree	+1.757 gp/xp	3,204.3 xp	+5.704 k
3	51	Pineapple tree	-1.446 gp/xp	5,046.3 xp	-7.384 k
3	57	Papaya tree	+2.857 gp/xp	6,714.5 xp	+19.402 k
3	68	Palm tree	-1.699 gp/xp	11,050.6 xp	-18.978 k
1	9	Guam (yield: 10)	+26.976 gp/xp	171.7 xp	+4.632 k
1	14	Marrentill (yield: 10)	+101.922 gp/xp	200.9 xp	+20.473 k
1	19	Tarromin (yield: 10)	-5.382 gp/xp	236.4 xp	-1.272 k
1	26	Harralander (yield: 10)	+16.437 gp/xp	304.8 xp	+5.009 k
1	29	Goutweed (yield: 10)	-313.836 gp/xp	615.9 xp	-193.279 k
1	32	Ranarr (yield: 10)	+41.765 gp/xp	379.5 xp	+15.849 k
1	36	Spirit weed (yield: 10)	+220.575 gp/xp	443.1 xp	+97.732 k
1	38	Toadflax (yield: 10)	+212.205 gp/xp	471.7 xp	+100.097 k
1	44	Irit (yield: 10)	+80.955 gp/xp	587.2 xp	+47.54 k
1	46	Wergali (yield: 10)	+35.893 gp/xp	643.2 xp	+23.086 k
1	50	Avantoe (yield: 10)	+10.903 gp/xp	737.2 xp	+8.038 k
1	56	Kwuarm (yield: 10)	+108.724 gp/xp	927.5 xp	+100.842 k
1	62	Snapdragon (yield: 9.4)	+12.953 gp/xp	1105.3 xp	+14.317 k
1	67	Cadantine (yield: 8.6)	+27.518 gp/xp	1237 xp	+34.039 k
1	73	Lantadyme (yield: 7.8)	+40.122 gp/xp	1424.7 xp	+57.163 k
1	79	Dwarf weed (yield: 7.1)	+34.003 gp/xp	1662 xp	+56.512 k
1	85	Torstol (yield: 6.6)	+18.263 gp/xp	1804.6 xp	+32.959 k
1	91	Fellstalk (yield: 6.1)	+16.924 gp/xp	2305.9 xp	+39.025 k

Based on GE mid prices. The following toggles affect only herbs: farm lvl, magic secateurs, juju farming potion, greenfingers auras and composts. 1/8 chance of trees dying without farmer payment, average xp loss accounted for. Supercompost is assumed to be used on all tree patches.