When the plants become a few inches tall and their leaves mature, it's time to transplant them to a larger container.
1	When	when	ADV	WRB	PronType=Int	4	advmod	4:advmod	Discourse=contingency-condition:73->75:1
2	the	the	DET	DT	Definite=Def|PronType=Art	3	det	3:det	Bridge=43<74|Entity=(74-plant-acc:inf-cf1-2-coref
3	plants	plant	NOUN	NNS	Number=Plur	4	nsubj	4:nsubj|8:nsubj:xsubj	Entity=74)
4	become	become	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	16	acl	16:acl:when	_
5	a	a	DET	DT	Definite=Ind|PronType=Art	7	det	7:det	Entity=(75-abstract-new-cf3-3-sgl
6	few	few	ADJ	JJ	Degree=Pos	7	amod	7:amod	_
7	inches	inch	NOUN	NNS	Number=Plur	8	obl:npmod	8:obl:npmod	Entity=75)
8	tall	tall	ADJ	JJ	Degree=Pos	4	xcomp	4:xcomp	_
9	and	and	CCONJ	CC	_	12	cc	12:cc	Discourse=joint-list_m:74->73:0
10	their	their	PRON	PRP$	Case=Gen|Number=Plur|Person=3|Poss=Yes|PronType=Prs	11	nmod:poss	11:nmod:poss	Entity=(76-plant-new-cf2-2-coref(74-plant-giv:act-cf1-1-ana)
11	leaves	leave	NOUN	NNS	Number=Plur	12	nsubj	12:nsubj	Entity=76)
12	mature	mature	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	4	conj	4:conj:and|16:acl:when	SpaceAfter=No
13	,	,	PUNCT	,	_	4	punct	4: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:75->69:2
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:76->75:0
18	transplant	transplant	VERB	VB	VerbForm=Inf	16	acl	16:acl:to	_
19	them	they	PRON	PRP	Case=Acc|Number=Plur|Person=3|PronType=Prs	18	obj	18:obj	Entity=(74-plant-giv:act-cf1-1-ana)
20	to	to	ADP	IN	_	23	case	23:case	_
21	a	a	DET	DT	Definite=Ind|PronType=Art	23	det	23:det	Entity=(77-object-new-cf4-3-sgl
22	larger	large	ADJ	JJR	Degree=Cmp	23	amod	23:amod	_
23	container	container	NOUN	NN	Number=Sing	18	obl	18:obl:to	Entity=77)|SpaceAfter=No
24	.	.	PUNCT	.	_	16	punct	16:punct	_
