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ONTARIO ROCK GARDEN SOCIETY |
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Germination guide P4 |
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Genus |
Species |
Germination |
Remarks |
|
Polygonatum |
biflorum |
L 8 |
. |
|
Polygonatum |
humile |
A 2 8 * |
takes 12m to develop true leaf |
|
Polygonatum |
odoratum |
L 8 * |
place in moist sand in shade, plant immediately when radicles appear in spring |
|
Polygonatum |
pubescens |
D 8 * |
sow outdoors immediately, hypogeal germination after 1 yr, leaves in second yr |
|
Polygonatum |
smilacina |
8 |
. |
|
Polygonum |
bistorta 'Superbum' |
E 4 |
|
|
Polygonum |
orientale |
A |
poor germination, very well drained soil |
|
Polygonum |
sp. |
G |
. |
|
Polygonum |
viviparum |
B |
|
|
Polypodium |
virginianum |
* |
pour boiling water over milled sphagnum moss, sow seed , enclose in plastic bag |
|
Pontederia |
cordata |
K * |
grow in moist compost to which has been added soil from parent plant to provide symbiotic fungi |
|
Portulaca |
grandiflora |
A |
ditto |
|
Potentilla |
'Monarch Velvet' |
. |
|
|
Potentilla |
alba |
A |
|
|
Potentilla |
alba 'Snow Queen' |
A |
|
|
Potentilla |
alchemilloides |
||
|
Potentilla |
arguta |
G |
|
|
Potentilla |
atrosanguinea |
A 3 |
|
|
Potentilla |
atrosanguinea v. argyrophylla |
A 3 |
|
|
Potentilla |
aurea |
A |
|
|
Potentilla |
concina |
. |
|
|
Potentilla |
crantzii |
A 2 |
|
|
Potentilla |
crantzii 'Pygmaea' |
A 2 |
|
|
Potentilla |
delavayi |
. |
|
|
Potentilla |
dickinsii |
||
|
Potentilla |
dombeyi |
||
|
Potentilla |
drummondii |
||
|
Potentilla |
elatior ssp. pallasii |
||
|
Potentilla |
fissa |
||
|
Potentilla |
fragiformis |
A |
|
|
Potentilla |
fruticosa v. pyrenaica |
A 2 |
|
|
Potentilla |
glandulosa |
F |
|
|
Potentilla |
hippiana |
F |
|
|
Potentilla |
hyparctica |
F |
|
|
Potentilla |
hyparctica 'Nana' |
F |
|
|
Potentilla |
kurdica |
. |
|
|
Potentilla |
megalantha |
A 3 |
|
|
Potentilla |
multifidiforma |
. |
|
|
Potentilla |
nepalensis |
A |
|
|
Potentilla |
nepalensis 'Miss Willmott' |
A |
|
|
Potentilla |
nitida |
L |
|
|
Potentilla |
palustris |
F |
|
|
Potentilla |
recta |
A 3 |
|
|
Potentilla |
rupestris |
A 3 |
|
|
Potentilla |
rupestris 'Pygmea' |
A 3 |
|
|
Potentilla |
ruprestris |
A 3 |
|
|
Potentilla |
sp. |
L |
|
|
Potentilla |
thurberi |
A |
|
|
Potentilla |
tridentata |
F |
|
|
Potentilla |
verna |
L |
|
|
Poterium |
lasiocarpum |
. |
|
|
Pratia |
angulosa |
L |
|
|
Primula |
'Rowallane' |
! E |
|
|
Primula |
Candelabra Hybrids |
A |
|
|
Primula |
Craig Dhu |
G |
|
|
Primula |
Gold Laced Group |
A |
|
|
Primula |
Polyanthus |
A |
|
|
Primula |
algida |
A |
|
|
Primula |
all species |
L * |
grow in bag for humidity, high Himalayan species must be sown fresh |
|
Primula |
alpicola |
A |
|
|
Primula |
angustifolia |
L |
|
|
Primula |
appenina |
G |
|
|
Primula |
aurantiaca |
A |
|
|
Primula |
auricula |
A |
|
|
Primula |
auricula ssp. bauhinii |
A |
|
|
Primula |
auricula v.. albocincta (bauhinii) |
A |
|
|
Primula |
auriculata |
A |
|
|
Primula |
beesiana |
D |
|
|
Primula |
bulleyana |
A |
|
|
Primula |
burmanica |
A |
|
|
Primula |
capitata |
A |
|
|
Primula |
carniolica |
G |
|
|
Primula |
cawdoriana |
! G |
|
|
Primula |
chungensis |
A |
|
|
Primula |
clusiana |
A |
|
|
Primula |
cockburniana |
A |
|
|
Primula |
cortusoides |
A |
|
|
Primula |
daonensis |
A |
|
|
Primula |
darialica |
A |
|
|
Primula |
denticulata |
A |
|
|
Primula |
denticulata 'Rubin Selection' |
A |
|
|
Primula |
denticulata v. alba |
A |
|
|
Primula |
discolor |
L |
|
|
Primula |
elatior |
E |
|
|
Primula |
elatior ssp. meyeri (syn. P. amoena) |
E |
|
|
Primula |
elatior ssp. pallasii |
E |
|
|
Primula |
elliptica |
A |
|
|
Primula |
erythrocarpa |
G |
|
|
Primula |
farinosa |
A |
|
|
Primula |
florindae |
A |
|
|
Primula |
frondosa |
D |
|
|
Primula |
glaucescens |
J |
|
|
Primula |
halleri (syn. longiflora) |
A |
|
|
Primula |
heucherifolia |
A |
|
|
Primula |
hirsuta |
E |
|
|
Primula |
hirsuta cross |
E |
|
|
Primula |
hirsuta hybrid |
E |
|
|
Primula |
involucrata |
! A |
|
|
Primula |
japonica |
G |
|
|
Primula |
japonica 'Alba' |
G |
|
|
Primula |
japonica 'Glowing Embers' |
G |
|
|
Primula |
japonica 'Miller's Crimson' |
G |
|
|
Primula |
japonica 'Potsford White' |
G |
|
|
Primula |
japonica 'Rubra' |
G |
|
|
Primula |
japonica mix |
G |
|
|
Primula |
kisoana |
A 3 |
|
|
Primula |
kisoana alba |
A 3 |
|
|
Primula |
lasiocarpum |
G |
|
|
Primula |
latifolia |
G |
|
|
Primula |
macrocalyx |
G |
|
|
Primula |
macrophylla |
K |
|
|
Primula |
magellanica alba ex F&W 9353 |
G |
|
|
Primula |
magellanica ex F&W 9314 |
G |
|
|
Primula |
marginata |
A |
|
|
Primula |
marginata 'Napoleon' |
A |
|
|
Primula |
melanops |
G |
|
|
Primula |
minima |
A |
|
|
Primula |
mistassinica |
L |
|
|
Primula |
mistassinica v. macropoda (syn. P laurentiana) |
L |
|
|
Primula |
modesta |
A |
|
|
Primula |
nivalis |
G |
|
|
Primula |
nivalis v. colorata |
G |
|
|
Primula |
obconica |
A 3 |
|
|
Primula |
palinuri |
G |
|
|
Primula |
pallasii |
G |
|
|
Primula |
parryi |
G 4 |
|
|
Primula |
pedemontana |
E |
|
|
Primula |
poissonii |
A |
|
|
Primula |
polyneura |
A |
|
|
Primula |
prolifera |
A |
|
|
Primula |
pubescens |
B |
|
|
Primula |
recta |
G |
|
|
Primula |
rosea |
! A |
|
|
Primula |
rosea 'Grandiflora' |
! A |
|
|
Primula |
saxatilis |
G |
|
|
Primula |
scotica |
A |
|
|
Primula |
secundiflora |
A |
|
|
Primula |
sieboldii |
! D 2 4 |
dry storage 6m fatal to seed |
|
Primula |
sikkimensis |
A |
. |
|
Primula |
sp. |
G |
|
|
Primula |
sp. aff. hirsuta |
G |
|
|
Primula |
species aff. villosa |
L |
|
|
Primula |
spectabilis |
G |
|
|
Primula |
stricta |
G |
|
|
Primula |
thurberi |
A |
|
|
Primula |
veris |
A 2 4 |
|
|
Primula |
veris 'Red/Gold' |
A 2 4 |
|
|
Primula |
veris ssp. macrocalyx |
A 2 4 |
|
|
Primula |
vialii |
A |
|
|
Primula |
villosa |
G |
|
|
Primula |
villosa v. commutata |
G |
|
|
Primula |
vulgaris 'Lilian Harvey' |
E |
|
|
Primula |
vulgaris (syn. acaulis) |
E |
|
|
Primula |
vulgaris ssp. sibthorpii |
E |
|
|
Primula |
vulgaris x veris |
E |
|
|
Primula |
waltonii |
A |
|
|
Primula |
wulfeniana |
G |
|
|
Primula |
x bulleesiana |
G |
|
|
Primula |
x discolor |
G |
|
|
Primula |
x pubescens |
G |
|
|
Primula |
x pubescens 'Boothman's Variety' |
G |
|
|
Primula |
x pubescens 'Christine' |
G |
|
|
Primula |
x pubescens 'Mrs J.H. Wilson' |
G |
|
|
Primula |
yuparensis |
G |
|