ONTARIO ROCK GARDEN SOCIETY

Germination guide

Genus

Species

Germination

Remarks

Gentianella

amarella

! N

Gentianella

detonsa ssp. nesophila

.

Gentianella

germanica

A 3 4

Gentianopsis

crinita

! H

Gentianopsis

procera

.

Gentianopsis

sp.

Geranium

'Johnson's Blue'

Geranium

'Max Frei'

K

Geranium

brutium

.

Geranium

clarkei

A 2

Geranium

dalmaticum

A

Geranium

himalayense

K

Geranium

macrorrhizum

A

Geranium

palustre

F

Geranium

phaeum

A

Geranium

platyanthum

A 2

Geranium

platypetalum

A 2

Geranium

pratense

E

Geranium

pratense 'Album'

E

Geranium

pratense 'Mrs. Kendall Clark'

E

Geranium

pratense 'Striatum'

E

Geranium

psilostemon

F

Geranium

pyrenaicum album

E

Geranium

regelii

F 2

Geranium

ruprechtii

F 2

Geranium

sanguineum

F 2

Geranium

sanguineum 'Alpenglow'

F 2

Geranium

sanguineum 'Ankum's Pride'

F 2

Geranium

sanguineum 'John Elsley'

F 2

Geranium

sanguineum v. striatum

F 2

Geranium

sessiliflorum

K

Geranium

sp.

K

Geranium

wallichianum

A

Geranium

x oxonianum

K

Geranium

yesoense

K

Geranium

yoshinoi

A

Gerardia

paupercula

A

Geum

Mrs J. Bradshaw'

A

Geum

'Lady Stratheden'

L

Geum

canadense

K

Geum

chiloense

A

Geum

montanum

G 2

Geum

pentapetalum

A

Geum

ponticum

.

Geum

pyrenaicum

F

Geum

rivale

B 3

Geum

triflorum

B *

subject to damping off

Geum

x borisii

A

.

Gilia

capitata abrotanifolia

A

Gilia

subnuda

.

Gillenia

trifoliata

F

Gladiolus

communis

A

Gladiolus

illyricus

E

Gladiolus

imbricatus

L

Gladiolus

palustris

E

Glaucidium

palmatum

! A 2

Glaucidium

palmatum album

! A 2 4

Glaucidium

palmatum bicolor

! A 2

Glaucidium

palmatum v. leucanthum

! A 2

Glaucium

flavum

B

Glaucium

corniculatum

B

Glaucium

grandiflorum

K N

Glaucium

sp.

K N

Globularia

cordifolia

B 3

Globularia

incanescens

J

Globularia

punctata

A

Globularia

cordifolia ssp. nana

B 3

Globularia

meridionalis

J

Globularia

nudicaulis

A 2

Globularia

pseudo-nana

.

Globularia

repens

A

Globularia

spinosa

.

Globularia

stygia

Globularia

trichosantha

A 2

Gomphrena

Strawberry Fields'

A *

do not store seed below 15 deg C, will germinate at 30 deg C

Goodyera

pubescens

A *

sow outside in spring in acid duff, very difficult, grow in moist compost to which has been added soil from parent plant to provide symbiotic fungi

Grenadilla

sp.

.

.

Greyia

spinosa

A

Grindelia

squarrosa

K

Gunnera

chilensis

8

Gynandriris

sisyrinchium

! J

Gypsophila

all species

A

Gypsophila

cerastioides

A

Gypsophila

franzii

A

Gypsophila

muralis

A

Gypsophila

paniculata

A

Gypsophila

repens

A

Gypsophila

repens 'Rosea'

A

Gypsophila

sp.

A