ONTARIO ROCK GARDEN SOCIETY

Germination guide M1

Genus

Species

Germination

Remarks

Maackia

amurensis

! A 1 2 7 *

soak in hot water

Machaeranthera

coloradoensis

.

.

Macleaya

cordata

C 3

Maclura

pomifera

A 8 *

wash and rinse daily in clean water for 1-5d, then in detergent daily for about 2-5d

Macronema

discoideum

.

.

Magnolia

grandiflora

J 2 8

daily detergent washes

Magnolia

sieboldii

G or H 8*

wash clean, possibly in detergent

Magnolia

stellata 'Royal Star'

L 8 *

daily detergent washes, store seeds @ 4 deg C

Magnolia

x loebneri 'Leonard Messel'

G 8

wash off pulpy coat completely in daily detergent washes

Magnolia

x soulangeana

L 8

.

Mahonia

aquifolium

H 8

Mahonia

hybrid

L

Mahonia

repens

G

Maianthemum

bifolium v. kamtschaticum

E

Maianthemum

canadense

D

Malus

toringo ssp. sargentii

G 6

Malus

sargentii

L

Malva

'Party Girl'

.

Malva

alcea v. fastigiata

F

Malva

mauritiana

.

Malva

moschata

A

Malva

moschata alba

A

Malva

moschata mavietanica

A

Malva

moschata rosea

A

Malva

parvifora

K N

Malva

sylvestris

A

Malva

sylvestris 'Primley Blue'

A

Malva

sylvestris 'Zebrina'

A

Malva

sylvestris mauritiana

A

Marrubium

incanum

A

Marrubium

vulgare

B

Marshallia

grandiflora

A

Mathiola

all species

A

Matricaria

sp.

A 3

Matthiola

integrifolia

.

Maurandella

antirrhiniflora

A

Maurandya

scandens

A

Meconopsis

aculeata

A 3

start in soilless peat-based mix

Meconopsis

all species

*

ditto

Meconopsis

betonicifolia

! A 1 2 *

overwinter seedlings above 1 deg C

Meconopsis

cambrica

! C *

start in soilless peat-based mix, seed destroyed by dry storage for 6 m

Meconopsis

cambrica 'Frances Perry'

! C *

ditto

Meconopsis

cambrica flore-pleno

! C *

ditto

Meconopsis

dhwojii

K

start in soilless peat-based mix

Meconopsis

grandis

A

ditto

Meconopsis

horridula

B

ditto

Meconopsis

hybrid

J

ditto

Meconopsis

napaulensis

K

ditto

Meconopsis

sp.

! L 3

ditto

Meconopsis

x sheldonii

K

ditto

Medeola

virginica

L 8

.

Meehania

cordata

K

Melaleuca

armillaris

.

Melampodium

paludosum

A

Melampyrum

cristatum

*

semi-parasitic, sow outdoors with host grass