Germination Guide

Click on a species name below to see it's germination tips.
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Paeonia rockii cross 9

*

This species needs special care as described.
20°C x 3 months or until radicle appears, then 4°C x 3 months, leaf appears in next 20°C cycle
Paeonia sp.

*

This species needs special care as described.
20°C x 3 months or until radicle appears, then 4°C x 3 months, leaf appears in next 20°C cycle
Paeonia steveniana

*

This species needs special care as described.
20°C x 3 months or until radicle appears, then 4°C x 3 months, leaf appears in next 20°C cycle
Paeonia suffrutescens

*

This species needs special care as described.
20°C x 3 months or until radicle appears, then 4°C x 3 months, leaf appears in next 20°C cycle
Paeonia suffruticosa

*

This species needs special care as described.
20°C x 3 months or until radicle appears, then 4°C x 3 months, leaf appears in next 20°C cycle
Paeonia suffruticosa 'Hanakisoi'

*

This species needs special care as described.
20°C x 3 months or until radicle appears, then 4°C x 3 months, leaf appears in next 20°C cycle
Paeonia suffruticosa 'He Hua Ying Ri'

*

This species needs special care as described.
20°C x 3 months or until radicle appears, then 4°C x 3 months, leaf appears in next 20°C cycle
Paeonia suffruticosa 'Shimanishiki'

*

This species needs special care as described.
20°C x 3 months or until radicle appears, then 4°C x 3 months, leaf appears in next 20°C cycle
Paeonia suffruticosa ssp. rockii

*

This species needs special care as described.
20°C x 3 months or until radicle appears, then 4°C x 3 months, leaf appears in next 20°C cycle
Paeonia suffruticosa ssp. rockii hybrid

*

This species needs special care as described.
20°C x 3 months or until radicle appears, then 4°C x 3 months, leaf appears in next 20°C cycle
Paeonia tenuifolia

*

This species needs special care as described.
20°C x 3 months or until radicle appears, then 4°C x 3 months, leaf appears in next 20°C cycle
Paeonia tenuifolia ssp. biebersteiniana

*

This species needs special care as described.
20°C x 3 months or until radicle appears, then 4°C x 3 months, leaf appears in next 20°C cycle
Paeonia tenuifolia ssp. lithophila

*

This species needs special care as described.
20°C x 3 months or until radicle appears, then 4°C x 3 months, leaf appears in next 20°C cycle
Paeonia tenuifolia WM 3-15-1

*

This species needs special care as described.
20°C x 3 months or until radicle appears, then 4°C x 3 months, leaf appears in next 20°C cycle
Paeonia veitchii

*

This species needs special care as described.
20°C x 3 months or until radicle appears, then 4°C x 3 months, leaf appears in next 20°C cycle
Paeonia veitchii v. woodwardii

*

This species needs special care as described.
20°C x 3 months or until radicle appears, then 4°C x 3 months, leaf appears in next 20°C cycle
Paeonia wittmanniana

*

This species needs special care as described.
20°C x 3 months or until radicle appears, then 4°C x 3 months, leaf appears in next 20°C cycle
Paeonia X suffruticosa ssp. rockii

*

This species needs special care as described.
20°C x 3 months or until radicle appears, then 4°C x 3 months, leaf appears in next 20°C cycle
Panax chin-seng

A

Sow @ 20°C. Seed germinates within 3 months.
Panax ginseng

F

Sow @ 4°C.
genus is hard to germinate
Panax quinquefolius

J

Sow @4°C for 3 weeks, then place @20°C.
Panax trifolius

!

Sow immediately. The viability of these seeds is short or the species propagates best with fresh seed. Stored seed might be coaxed into germination with temperature cycling and patience.

*

This species needs special care as described.
4°C x 16 months, then outside in Oct. with heavy mulch, will germinate in spring
Pancratium illyricum

A

Sow @ 20°C. Seed germinates within 3 months.
Panicum clandestinum

A

Sow @ 20°C. Seed germinates within 3 months.
Panicum miliaceum 'Violaceum'

A

Sow @ 20°C. Seed germinates within 3 months.
Panicum virgatum

A

Sow @ 20°C. Seed germinates within 3 months.
Panicum virgatum 'Heavy Metal'

A

Sow @ 20°C. Seed germinates within 3 months.
Panicum virgatum 'North Wind'

A

Sow @ 20°C. Seed germinates within 3 months.
Panicum virgatum 'Rotstrahlbusch'

A

Sow @ 20°C. Seed germinates within 3 months.
Panicum virgatum 'Shenandoah'

A

Sow @ 20°C. Seed germinates within 3 months.
Papaver lateritium 'Flore Pleno'

2

Requires darkness.

A

Sow @ 20°C. Seed germinates within 3 months.
Papaver 'Czechoslovakia'

A

Sow @ 20°C. Seed germinates within 3 months.
Papaver 'Danebrog'

A

Sow @ 20°C. Seed germinates within 3 months.
Papaver alboroseum

A

Sow @ 20°C. Seed germinates within 3 months.
Papaver alpinum

A

Sow @ 20°C. Seed germinates within 3 months.
Papaver amurense

A

Sow @ 20°C. Seed germinates within 3 months.
Papaver anomalum album

A

Sow @ 20°C. Seed germinates within 3 months.

3

Requires light or the small seeds should be surface sown.
Papaver apokrinomenon

A

Sow @ 20°C. Seed germinates within 3 months.
Papaver atlanticum

A

Sow @ 20°C. Seed germinates within 3 months.
Papaver aureum

A

Sow @ 20°C. Seed germinates within 3 months.
Papaver bracteatum

A

Sow @ 20°C. Seed germinates within 3 months.
Papaver burseri

A

Sow @ 20°C. Seed germinates within 3 months.

3

Requires light or the small seeds should be surface sown.
Papaver cambricum

!

Sow immediately. The viability of these seeds is short or the species propagates best with fresh seed. Stored seed might be coaxed into germination with temperature cycling and patience.

*

This species needs special care as described.

C

Sow @ 20°C for 3 months, then place @ 4°C for 3 months.
sow in soilless peat-based mix, germination unlikely after dry storage > 6m
Papaver canescens

A

Sow @ 20°C. Seed germinates within 3 months.
Papaver commutatum

A

Sow @ 20°C. Seed germinates within 3 months.

2

Requires darkness.
Papaver commutatum 'Flanders'

K

Sow @ 10°C. Most species for which we suggest this temperature will also germinate at 20°C, but prefer the cooler temperature for sturdy growth.

N

Sow directly in garden.
Papaver dahlianum

A

Sow @ 20°C. Seed germinates within 3 months.
Papaver dubium

A

Sow @ 20°C. Seed germinates within 3 months.

2

Requires darkness.
Papaver endressi

L

Expose to fluctuating outdoor winter temperatures including freezing for 3 months. Gradually increase light and temperature in spring.
Papaver fauriei

A

Sow @ 20°C. Seed germinates within 3 months.

3

Requires light or the small seeds should be surface sown.

4

Germination is improved by using GA3.
Papaver feddei

A

Sow @ 20°C. Seed germinates within 3 months.
Papaver fugax

A

Sow @ 20°C. Seed germinates within 3 months.
Papaver glaucum

K

Sow @ 10°C. Most species for which we suggest this temperature will also germinate at 20°C, but prefer the cooler temperature for sturdy growth.

N

Sow directly in garden.

1

Resents transplanting.

3

Requires light or the small seeds should be surface sown.
Papaver heldreichii

A

Sow @ 20°C. Seed germinates within 3 months.
Papaver kluanense

A

Sow @ 20°C. Seed germinates within 3 months.
Papaver korean

A

Sow @ 20°C. Seed germinates within 3 months.
Papaver lapeyrousianum

L

Expose to fluctuating outdoor winter temperatures including freezing for 3 months. Gradually increase light and temperature in spring.
Papaver lapponicum

G

Sow @ 4°C for 3 months, then place @ 20°C for 3 months.
Papaver lateritium

G

Sow @ 4°C for 3 months, then place @ 20°C for 3 months.
Papaver lateritium 'Flore Pleno'

G

Sow @ 4°C for 3 months, then place @ 20°C for 3 months.