|
ONTARIO ROCK GARDEN SOCIETY |
|||
|
Germination guide I1 |
|||
|
Genus |
Species |
Germination |
Remarks |
|
Iberis |
linifolia |
. |
. |
|
Iberis |
all species |
A |
|
|
Iberis |
gibraltarica |
A 3 |
|
|
Iberis |
pruitii |
A |
|
|
Iberis |
saxatilis |
B |
|
|
Iberis |
sempervirens |
F |
|
|
Iberis |
sempervirens dwarf form |
F |
|
|
Iberis |
sp. |
J |
|
|
Iberis |
taurica |
A 3 |
|
|
Iberis |
umbellata |
A 2 |
|
|
Ilex |
verticillata |
L 8 * |
soak and rinse seeds in clean water daily for 2 weeks before planting |
|
Ilex |
glabra |
! L 6 8 |
. |
|
Iliamna |
rivularis |
A 6 * |
despite its small size, seed does need to be nicked |
|
Impatiens |
capensis |
J |
. |
|
Impatiens |
glandulifera |
L |
|
|
Incarvillea |
compacta |
J |
|
|
Incarvillea |
delavayi |
A |
|
|
Incarvillea |
grandiflora |
A |
|
|
Incarvillea |
mairei |
A |
|
|
Incarvillea |
mairei v. grandiflora |
A |
|
|
Incarvillea |
olgae |
A |
|
|
Incarvillea |
sinensis |
A |
|
|
Incarvillea |
sinensis 'Chevron' |
A |
|
|
Incarvillea |
sinensis 'Snowtop' |
A |
|
|
Incarvillea |
sp. |
A |
|
|
Indigofera |
pseudotinctoria |
A 1 6 7 |
|
|
Indigofera |
sp. |
L |
|
|
Inula |
acaulis |
A |
|
|
Inula |
candida |
A |
|
|
Inula |
cf. salicina |
A |
|
|
Inula |
ensifolia |
A |
|
|
Inula |
ensifolia 'Compacta' |
A |
|
|
Inula |
helenium |
A 2 |
|
|
Inula |
hookeri |
L |
|
|
Inula |
magnifica |
A |
|
|
Inula |
montana |
. |
|
|
Inula |
orientalis |
A |
|
|
Inula |
przewalskii |
. |
|
|
Inula |
regicana |
||
|
Inula |
rhizocephala |
A |
|
|
Inula |
royleana |
L |
|
|
Inula |
salicina |
A |
|
|
Ipomoea |
lobata |
A 6 7 |
|
|
Ipomoea |
quamoclit |
A 6 7 |
|
|
Ipomoea |
x multifida |
A 6 7 |
|
|
Ipomopsis |
rubra |
A 1 2 |
|
|
Ipomopsis |
aggregata |
A 1 |
|
|
Iris |
typhifolia |
G 7 |
sow fresh or soak old seed, prechill 4 w, or treat as L, bring indoors once germinated to avoid temperature shock, transplant at 4 leaves |
|
Iris |
'Dorothy Williamson' |
A * |
ditto |
|
Iris |
'Golden Glint' |
L * |
ditto |
|
Iris |
'Uralba Gold' |
L * |
ditto |
|
Iris |
Pacific Coast Hybrids |
G 7 |
ditto |
|
Iris |
all species |
L * |
ditto |
|
Iris |
anglica |
L * |
ditto |
|
Iris |
arenaria |
L * |
ditto |
|
Iris |
bloudowii |
L |
ditto |
|
Iris |
bucharica |
E 7 |
ditto |
|
Iris |
bulleyana |
A 3 * |
soak and rinse in clean water daily for 4 weeks |
|
Iris |
carthaliniae |
L * |
sow fresh or soak old seed, prechill 4 w, or treat as L, bring indoors once germinated to avoid temperature shock, transplant at 4 leaves |
|
Iris |
clarkei |
J 3 7 |
sow fresh or soak old seed, prechill 4 w, or treat as L, bring indoors once germinated to avoid temperature shock, transplant at 4 leaves |
|
Iris |
cristata 'Alba' |
G 7 |
ditto |
|
Iris |
decora |
J 7 |
ditto |
|
Iris |
delavayi |
G * |
soak and rinse in clean water daily for 4 weeks |
|
Iris |
douglasiana |
F * |
ditto |
|
Iris |
douglasiana 'Alba' |
F * |
ditto |
|
Iris |
douglasiana dwarf |
F * |
ditto |
|
Iris |
douglasiana x innominata |
F * |
ditto |
|
Iris |
ensata |
L 7 |
sow fresh or soak old seed, prechill 4 w, or treat as L, bring indoors once germinated to avoid temperature shock, transplant at 4 leaves |
|
Iris |
foetidissima |
H 7 |
ditto |
|
Iris |
gracilipes |
L * |
ditto |
|
Iris |
graminea |
E 6 7 * |
nick carefully, sow fresh or soak old seed, prechill 4 w, or treat as L, bring indoors once germinated to avoid temperature shock, transplant at 4 leaves |
|
Iris |
humilis |
L * |
sow fresh or soak old seed, prechill 4 w, or treat as L, bring indoors once germinated to avoid temperature shock, transplant at 4 leaves |
|
Iris |
innominata |
C 7 |
ditto |
|
Iris |
japonica |
G 7 |
ditto |
|
Iris |
kamaonensis |
D 7 |
ditto |
|
Iris |
lactea |
L 7 |
ditto |
|
Iris |
laevigata |
E 6 7 * |
nick carefully, sow fresh or soak old seed, prechill 4 w, or treat as L, bring indoors once germinated to avoid temperature shock, transplant at 4 leaves |
|
Iris |
laevigata 'Variegata' |
E 6 7 * |
ditto |
|
Iris |
latifolia |
C 7 |
sow fresh or soak old seed, prechill 4 w, or treat as L, bring indoors once germinated to avoid temperature shock, transplant at 4 leaves |
|
Iris |
lutescens |
A 7 |
ditto |
|
Iris |
maackii |
L * |
ditto |
|
Iris |
missouriensis |
A 3 7 |
ditto |
|
Iris |
orientalis |
C 7 |
nick carefully, sow fresh or soak old seed, prechill 4 w, or treat as L, bring indoors once germinated to avoid temperature shock, transplant at 4 leaves |
|
Iris |
pen hybrids |
L * |
sow fresh or soak old seed, prechill 4 w, or L, bring indoors once germinated to avoid temperature shock,transplant at 4 leaves |
|
Iris |
prismatica alba |
L * |
ditto |
|
Iris |
pseudacorus |
E 3 6 7 |
ditto |
|
Iris |
pumila |
E 7 |
ditto |
|
Iris |
reichenbachii |
E 6 7 * |
nick carefully, sow fresh or soak old seed, prechill 4 w, or treat as L, bring indoors once germinated to avoid temperature shock, transplant at 4 leaves |
|
Iris |
sangiunea |
E 6 7 * |
ditto |
|
Iris |
setosa |
L 7 |
sow fresh or soak old seed, prechill 4 w, or treat as L, bring indoors once germinated to avoid temperature shock, transplant at 4 leaves |
|
Iris |
setosa 'Alba' |
L 7 |
ditto |
|
Iris |
setosa 'Nana' |
L 7 |
ditto |
|
Iris |
setosa ssp. canadensis |
L 7 |
ditto |
|
Iris |
sibirica |
A 3 7 |
ditto |
|
Iris |
sibirica 'Shirley Pope' |
A 3 7 |
ditto |
|
Iris |
sibirica alba |
A 3 7 |
ditto |
|
Iris |
sintenisii |
E 7 |
ditto |
|
Iris |
sp. |
G 7 |
ditto |
|
Iris |
spuria var. halophila |
E 7 |
ditto |
|
Iris |
tectorum |
A 3 |
ditto |
|
Iris |
tectorum 'Alba' |
A 3 |
ditto |
|
Iris |
unguicularis ssp. cretensis |
C |
ditto |
|
Iris |
variegata |
E 6 7 * |
nick carefully, sow fresh or soak old seed, prechill 4 w, or treat as L, bring indoors once germinated to avoid temperature shock, transplant at 4 leaves |
|
Iris |
versicolor |
A 3 |
sow fresh or soak old seed, prechill 4 w, or treat as L, bring indoors once germinated to avoid temperature shock, transplant at 4 leaves |
|
Iris |
x fulvala |
L * |
ditto |
|
Iris |
x innominata |
L * |
ditto |
|
Isatis |
tinctoria |
A 2 * |
germination better with seeds dried 2 y |
|
Isophysis |
tasmanica |
. |
. |
|
Isopyrum |
thalictroides |
! E |
|
|
Isotoma |
axillaris |
A |
|
|
Ixeris |
dentata v. alpicola |
K |
|
|
Ixiolirion |
pallasii |
! L |
|
|
Ixiolirion |
sp. |
! L |
|
|
Ixiolirion |
tataricum |
F |
|