ONTARIO ROCK GARDEN SOCIETY
Germination guide
Genus	Species	Germination	Remarks
Cercis	canadensis	A 6 7 *	scarify very gently or will rot
Cercocarpus	montanus	G	.
Cerinthe	major	A
Cerinthe	glabra	B
Cerinthe	major 'Purpurascens'	A
Chaenomeles	speciosa	G
Chaenorhinum	glareosum	A
Chaenorrhinum	origanifolium	A 3
Chamaecytisus	austriacus	A 1 6 7 3
Chamaecytisus	hirsutus	A 1 6 7
Chamaecytisus	hirsutus v. hirsutissima	A 1 6 7
Chamaecytisus	purpureus	A 1 6 7
Chamaecytisus	pygmaeus	A 1 6 7
Chamaecytisus	ratisbonensis	A 1 6 7
Chamaedaphne	calyculata	A 3	peat compost
Chasmanthium	latifolium	K N	.
Cheilanthes	argentea	A *	pour boiling water over milled sphagnum moss, sow seed , enclose in plastic bag
Cheilanthes	lanosa	A *	ditto
Cheiranthus	Moonlight'	A	.
Cheiranthus	all species	A
Chelidonium	majus	! E *	seed killed by dry storage for 6 m, repeat cycle if seed does not germinate
Chelone	glabra	A 3	.
Chelone	lyonii	B
Chiastophyllum	oppositifolium	A 2 5
Chilopsis	linearis	! A 2
Chimaphila	menziesii	A *	pour boiling water over milled sphagnum moss, sow seed , enclose in plastic bag
Chimaphila	umbellata	A *	ditto
Chorispora	bungeana	.	.
Chrysanthemum	alpinum	B
Chrysanthemum	coccineum	A
Chrysanthemum	coronarium	A N
Chrysanthemum	minimum	.
Chrysanthemum	multicaule 'Moonlight'	A
Chrysanthemum	tianschanicum	.
Chrysanthemum	x superbum	L
Chrysopsis	mariana	G
Chrysopsis	villosa	A
Cicerbita	alpina	A
Cimicifuga	all species	.	ensure seeds get full 3m @ 4 deg C
Cimicifuga	dahurica	E	.
Cimicifuga	japonica	.
Cimicifuga	racemosa	C
Cimicifuga	ramosa	B
Cimicifuga	ramosa v. atropurpurea	B
Cimicifuga	simplex	C
Cimicifuga	simplex v. sim. Atropurpurea Gp.	C
Cimicifuga	simplex v. simplex "Brunette'	C
Cimicifuga	sp.	! J *	difficult to germinate
Cirsium	acaule	B	.
Cirsium	spinosissimum	.
Cistus	albanicus	! A
Cistus	sp.	.
Cladanthus	arabicus	A N
Cladrastis	lutea	A 6
Clarkia	amoena	A
Claytonia	caroliniana	K *	peat based medium
Claytonia	lanceolata	K *	ditto
Claytonia	megarhiza	L	.
Claytonia	virginica	! C *	peat based medium