ONTARIO ROCK GARDEN SOCIETY

Germination guide P3

Genus

Species

Germination

Remarks

Phellodendron

amurense

L 8

Phlomis

alpina

.

Phlomis

russeliana

F

Phlomis

samia

A 2

Phlomis

tuberosa

A

Phlox

bifida

! J

dry storage is fatal

Phlox

bifida 'Alba'

! J

ditto

Phlox

hoodii

G

.

Phlox

sp.

J

Phoenicaulis

cheiranthoides

A 2

Phuopsis

stylosa

A 2

Phygelius

Salmon Leap'

A

Phygelius

capensis

A

Phyllodoce

all species

3

Phyllodoce

caerulea

A

Phyllodoce

empetriformis

K

Physalis

alkekengi

A 3 8 *

pulpy coat must be washed of by soaking and rinsing in clean water daily for 2 days

Physaria

all species

A

.

Physaria

didymocarpa

A

Physaria

eburniflora

.

Physaria

glaucophylla

Physaria

sp.

! L

Physocarpus

capitatus

A

Physochlaina

orientalis

F

Physoplexis

comosa

A 2 5

Physoptychis

gnaphalodes

.

Physostegia

virginiana

A

Physostegia

virginiana 'Alba'

A

Phyteuma

charmelii

A

Phyteuma

graminifolia

.

Phyteuma

hemisphaericum

A

Phyteuma

nigrum

A

Phyteuma

orbiculare

B 3

Phyteuma

ovatum

.

Phyteuma

scheuchzeri

A

Phyteuma

sieberi

F

Phyteuma

sp.

A 3

Phyteuma

spicatum

B 3

Phyteuma

zahlbruckneri

G

Phytolacca

americana

G 8 *

wash in detergent, store dry

Picea

abies 'Excelsa'

A

.

Pieris

japonica v. amamiana

A 3 *

peat based medium

Pilosella

aurantiaca

A

.

Pinellia

pedatisecta

J

Pinellia

tripartita atropupurea

.

Pinguicula

grandiflora

K

Pinus

cembra

L N

Pinus

mugo

A

Pinus

parviflora

G

Pinus

pumila

G

Piptanthus

nepalensis

A 6 7

Pityopsis

falcata

.

Plantago

alpina

Plantago

asiatica 'Variegata'

A 3

Plantago

cynops

K

Plantago

juncoides

.

Plantago

major 'Atropurpurea'

B 3

Plantago

major 'Rosularis'

B 3

Plantago

major 'Variegata'

B 3

Plantago

nivalis

B

Plantago

sempervirens

.

Plantago

serpentina

A 3

Plantago

sp.

L

Platycodon

grandiflorus

A

Platycodon

grandiflorus 'Albus'

A

Platycodon

grandiflorus 'Baby Blue'

A

Platycodon

grandiflorus 'Fuji Pink'

A

Platycodon

grandiflorus 'Hakone Double'

A

Platycodon

grandiflorus 'Hakone White'

A

Platycodon

grandiflorus 'Pearlmutterschal'

A

Platycodon

grandiflorus 'Plenum'

A

Platycodon

grandiflorus 'Pumilus'

A

Platycodon

grandiflorus 'Sentimental Blue'

A

Platycodon

grandiflorus apoyama

A

Platycodon

grandiflorus dwarf form

A

Platycodon

grandiflorus roseus

A

Platycodon

sp.

.

Pleione

bulbocodioides

B

grow in moist compost to which has been added soil from parent plant to provide symbiotic fungi

Pleione

formosana

B

ditto

Pleione

limprichtii

B

ditto

Poa

alpina

A

.

Podophyllum

peltatum

L 8

Podophyllum

hexandrum

A 8

Polemonium

boreale

B

Polemonium

borealis

B

Polemonium

brandegeei

A

Polemonium

caeruleum

A

Polemonium

caeruleum 'Album'

A 3

Polemonium

caeruleum himalayanum

A

Polemonium

caeruleum ssp. c. f. alba

A

Polemonium

caeruleum ssp. himalayanum v. lacteum

A

Polemonium

californicum

F

Polemonium

elegans

B

Polemonium

flavum

B

Polemonium

foliosissimum

A

Polemonium

foliosissimum v. flavum

A

Polemonium

kiushianum

B

Polemonium

mellitum

A 2

Polemonium

pauciflorum

A

Polemonium

pulcherrimum

A 3

Polemonium

pulcherrimum ssp. pulcherrimum

A 3

Polemonium

sp.

B

Polygala

alpestris

.

Polygala

chamaebuxus

A

poor germination

Polygala

comosa

.

.

Polygala

major

Polygala

sp.