ONTARIO ROCK GARDEN SOCIETY
Germination guide
Genus	Species	Germination	Remarks
Gaillardia	'Kobold'	A
Gaillardia	aristata	A
Gaillardia	grandiflora	A
Gaillardia	pulchella 'Red Plume'	A
Gaillardia	sp.	A
Gaillardia	x grandiflora	A
Galanthus	elwesii	! H *	grow seedlings at cool temperature
Galax	urceolata	K
Galega	officinalis	A 3	grow on @ 10 deg C
Galega	orientale	A
Galeopsis	speciosa	G 2
Galium	nigellastrum
Galium	odoratum	A
Galium	tricornutum
Galtonia	candicans	! A 2
Galtonia	viridiflora	B
Gaultheria	adenothrix	G 8 *	peat based medium, prone to damping off
Gaultheria	all species	3
Gaultheria	fragrantissima	G 8 *	peat based medium, prone to damping off
Gaultheria	procumbens	A 8
Gaultheria	shallon	A 3
Gaura	lindheimeri	A 2
Gaylussacia	baccata	C
Gazania	linearis	A
Gelasine	coerulea
Genista	albida
Genista	hispanica ssp. occidentalis	G 7
Genista	horrida	A 1 6 7
Genista	pilosa 'Vancouver Gold'	L
Genista	sagittalis	A 1 6 7
Genista	sagittalis ssp. delphinensis	A 1 6 7
Genista	subcapitata	L 1 6 7
Genista	sylvestris
Genista	sylvestris v. pungens
Genista	tinctoria	A 1 6 7
Gentiana	'Blue Herald'	E
Gentiana	acaulis	D
Gentiana	acaulis 'Rannoch'	D
Gentiana	affinis	L
Gentiana	affinis pneumonanthe	L
Gentiana	all species	E
Gentiana	andrewsii	E 3
Gentiana	angustifolia	A
Gentiana	angustifolia 'Frei'	E
Gentiana	asclepiadea	L	hard to germinate
Gentiana	asclepiadea 'Rosea'	A 3	ditto
Gentiana	asclepiadea v. alba	L	ditto
Gentiana	bavarica v. subacaulis	E
Gentiana	bigelovii
Gentiana	boissieri	G
Gentiana	burseri ssp. villarsii
Gentiana	cachemirica	A
Gentiana	calycosa	A
Gentiana	clusii	D *	poor germination
Gentiana	clusii alba	D *	ditto
Gentiana	clusii rochelii	D *	poor germination
Gentiana	clusii v. amethystina	D *	poor germination
Gentiana	cruciata	B 3 5
Gentiana	cruciata ssp. phlogifolia	B 3 5
Gentiana	dahurica	L	hard to germinate
Gentiana	decumbens	A
Gentiana	dinarica	E
Gentiana	gracilipes	L	hard to germinate
Gentiana	grossheimii
Gentiana	hascombensis
Gentiana	kurroo	B
Gentiana	linearis	L	hard to germinate
Gentiana	loderi	A
Gentiana	lutea	E
Gentiana	occidentalis	G 4
Gentiana	paradoxa	G
Gentiana	pneumonanthe	E
Gentiana	puberulenta	G
Gentiana	punctata	! E 2 *	10 deg C x 5d then 4 C x 5-6w; very slow growing
Gentiana	purpurea	E
Gentiana	rhodantha
Gentiana	rigescens
Gentiana	rostanii
Gentiana	scabra	! A 3	ephemeral
Gentiana	septemfida	A
Gentiana	septemfida v. lagodechiana	A
Gentiana	septemfida v. lagodechiana 'Hascombensis'	A
Gentiana	sino-ornata	A
Gentiana	sino-ornata 'Zauberglocke'	A
Gentiana	sino-ornata hybrids	A
Gentiana	sp.	! L *
Gentiana	sp. 'Kurroo Hybrid'	B
Gentiana	sp. aff. septemfida	E
Gentiana	stevenagensis
Gentiana	sylvestris	G
Gentiana	terglouensis ssp. schleicheii
Gentiana	tibetica	A
Gentiana	triflora	G
Gentiana	triflora v. japonica	G
Gentiana	uschiyamai
Gentiana	veitchiorum	G
Gentiana	verna	E 2 4
Gentiana	verna globulosa	E 2 4
Gentiana	verna ssp. balcanica	E 2 4
Gentiana	verna ssp. pontica	E 2 4
Gentiana	verna ssp. rostanica	E 2 4
Gentiana	verna ssp. verna	E 2 4
Gentiana	verna v. angulosa	E 2 4
Gentiana	verna x pumila	E 2 4
Gentiana	wutaiensis	J