When you see the first green tendrils push up through the soil, it's time to remove the plastic wrap.
1	When	when	ADV	WRB	PronType=Int	3	advmod	3:advmod	Discourse=contingency-condition:68->69:1
2	you	you	PRON	PRP	Case=Nom|Number=Sing|Person=2|PronType=Prs	3	nsubj	3:nsubj	Entity=(11-person-giv:inact-cf3-1-ana)
3	see	see	VERB	VBP	Mood=Ind|Number=Sing|Person=2|Tense=Pres|VerbForm=Fin	16	acl	16:acl:when	_
4	the	the	DET	DT	Definite=Def|PronType=Art	7	det	7:det	Entity=(73-plant-giv:act-cf1*-4-coref
5	first	first	ADJ	JJ	Degree=Pos|NumType=Ord	7	amod	7:amod	_
6	green	green	ADJ	JJ	Degree=Pos	7	amod	7:amod	_
7	tendrils	tendril	NOUN	NNS	Number=Plur	8	nsubj	8:nsubj	Entity=73)
8	push	push	VERB	VB	VerbForm=Inf	3	ccomp	3:ccomp	_
9	up	up	ADP	RP	_	8	compound:prt	8:compound:prt	_
10	through	through	ADP	IN	_	12	case	12:case	_
11	the	the	DET	DT	Definite=Def|PronType=Art	12	det	12:det	Entity=(67-substance-giv:inact-cf4-2-coref
12	soil	soil	NOUN	NN	Number=Sing	8	obl	8:obl:through	Entity=67)|SpaceAfter=No
13	,	,	PUNCT	,	_	3	punct	3:punct	_
14-15	it's	_	_	_	_	_	_	_	_
14	it	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	16	nsubj	16:nsubj	Discourse=joint-sequence_m:69->20:4
15	's	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	16	cop	16:cop	_
16	time	time	NOUN	NN	Number=Sing	0	root	0:root	_
17	to	to	PART	TO	_	18	mark	18:mark	Discourse=purpose-attribute:70->69:0
18	remove	remove	VERB	VB	VerbForm=Inf	16	acl	16:acl:to	_
19	the	the	DET	DT	Definite=Def|PronType=Art	21	det	21:det	Entity=(68-object-giv:act-cf2-3-coref
20	plastic	plastic	NOUN	NN	Number=Sing	21	compound	21:compound	_
21	wrap	wrap	NOUN	NN	Number=Sing	18	obj	18:obj	Entity=68)|SpaceAfter=No
22	.	.	PUNCT	.	_	16	punct	16:punct	_
