Germination Guide

Click on a species name below to see it's germination tips.
Search for a genus or species by entering specific words or parts of words.
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Nepeta parnassica

A

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

A

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

L

Expose to fluctuating outdoor winter temperatures including freezing for 3 months. Gradually increase light and temperature in spring. See https://www.youtube.com/watch?v=SO_KKbGYTEM

Nepeta subsessilis

A

Sow @ 20°C. Seed germinates within 3 months.
Nerine 'Isobel'

A

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

A

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

A

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

A

Sow @ 20°C. Seed germinates within 3 months.
Nicandra physalodes 'Black Rod'

A

Sow @ 20°C. Seed germinates within 3 months.
Nicandra physalodes 'Dark Star'

A

Sow @ 20°C. Seed germinates within 3 months.
Nicotiana 'Green Goddess'

A

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

3

Requires light or the small seeds should be surface sown. See https://www.youtube.com/watch?v=RgkXUSI1GWo&index=1&list=UUJfYCNSWCIuOB2...
Nicotiana 'Lime Green'

A

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

3

Requires light or the small seeds should be surface sown. See https://www.youtube.com/watch?v=RgkXUSI1GWo&index=1&list=UUJfYCNSWCIuOB2...
Nicotiana acuminata

A

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

A

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

3

Requires light or the small seeds should be surface sown. See https://www.youtube.com/watch?v=RgkXUSI1GWo&index=1&list=UUJfYCNSWCIuOB2...
Nicotiana attenuata

A

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

3

Requires light or the small seeds should be surface sown. See https://www.youtube.com/watch?v=RgkXUSI1GWo&index=1&list=UUJfYCNSWCIuOB2...
Nicotiana Domino Series

3

Requires light or the small seeds should be surface sown. See https://www.youtube.com/watch?v=RgkXUSI1GWo&index=1&list=UUJfYCNSWCIuOB2...

A

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

A

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

A

Sow @ 20°C. Seed germinates within 3 months.
Nicotiana langsdorffii 'Cream Splash'

A

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

A

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

A

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

3

Requires light or the small seeds should be surface sown. See https://www.youtube.com/watch?v=RgkXUSI1GWo&index=1&list=UUJfYCNSWCIuOB2...
Nicotiana Nicki Series

3

Requires light or the small seeds should be surface sown. See https://www.youtube.com/watch?v=RgkXUSI1GWo&index=1&list=UUJfYCNSWCIuOB2...

A

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

A

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

A

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

3

Requires light or the small seeds should be surface sown. See https://www.youtube.com/watch?v=RgkXUSI1GWo&index=1&list=UUJfYCNSWCIuOB2...
Nicotiana sp.

A

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

A

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

A

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

3

Requires light or the small seeds should be surface sown. See https://www.youtube.com/watch?v=RgkXUSI1GWo&index=1&list=UUJfYCNSWCIuOB2...
Nicotiana sylvestris 'Only the Lonely'

A

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

3

Requires light or the small seeds should be surface sown. See https://www.youtube.com/watch?v=RgkXUSI1GWo&index=1&list=UUJfYCNSWCIuOB2...
Nicotiana x sanderae

3

Requires light or the small seeds should be surface sown. See https://www.youtube.com/watch?v=RgkXUSI1GWo&index=1&list=UUJfYCNSWCIuOB2...

A

Sow @ 20°C. Seed germinates within 3 months.
Nicotiana x sanderae 'Domino Salmon Pink'

A

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

*

This species needs special care as described.

A

Sow @ 20°C. Seed germinates within 3 months.
do not let temperature drop
Nierembergia scoparia 'Mont Blanc'

*

This species needs special care as described.

A

Sow @ 20°C. Seed germinates within 3 months.
do not let temperature drop
Nigella nigellastrum

A

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

2

Requires darkness.

A

Sow @ 20°C. Seed germinates within 3 months.
Nigella damascena 'Miss Jekyll'

2

Requires darkness.

A

Sow @ 20°C. Seed germinates within 3 months.
Nigella damascena (Persian Jewels Group)

2

Requires darkness.

A

Sow @ 20°C. Seed germinates within 3 months.
Nigella damascena 'Miss Jekyll Alba'

2

Requires darkness.

A

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

A

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

N

Sow directly in garden.

3

Requires light or the small seeds should be surface sown. See https://www.youtube.com/watch?v=RgkXUSI1GWo&index=1&list=UUJfYCNSWCIuOB2...
Nigella orientalis

A

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

N

Sow directly in garden.
Nigella sativa

A

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

N

Sow directly in garden.
Nigella sp.

A

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

A

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

*

This species needs special care as described.
do not let temperature drop
Noccaea sintenisii subsp. crassum

A

Sow @ 20°C. Seed germinates within 3 months.
Noccaea sintenisii subsp. crassum

A

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

A

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

A

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

2

Requires darkness.
Nomocharis aperta

A

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

3

Requires light or the small seeds should be surface sown. See https://www.youtube.com/watch?v=RgkXUSI1GWo&index=1&list=UUJfYCNSWCIuOB2...

4

Germination is improved by using GA3.
Nonea lutea

*

This species needs special care as described.

G

Sow @ 4°C for 3 months, then place @ 20°C for 3 months.
bog plant; stand pot in 3 cm water
Nonea lutea subsp. variegata

*

This species needs special care as described.

G

Sow @ 4°C for 3 months, then place @ 20°C for 3 months.
bog plant; stand pot in 3 cm water
Nonea pulchella

L

Expose to fluctuating outdoor winter temperatures including freezing for 3 months. Gradually increase light and temperature in spring. See https://www.youtube.com/watch?v=SO_KKbGYTEM

Notholirion thomsonianum

A

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

A

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

G

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

*

This species needs special care as described.
bog plant; stand pot in 3 cm water
Nyssa sylvatica

L

Expose to fluctuating outdoor winter temperatures including freezing for 3 months. Gradually increase light and temperature in spring. See https://www.youtube.com/watch?v=SO_KKbGYTEM

Ochna serrulata

!

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.

A

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

*

This species needs special care as described.

3

Requires light or the small seeds should be surface sown. See https://www.youtube.com/watch?v=RgkXUSI1GWo&index=1&list=UUJfYCNSWCIuOB2...
soak in running water for 24 hrs. germinate @ 25 °
Ocimum sanctum

A

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

*

This species needs special care as described.
germinate @ 25 °
Oenothera 'Colin Porter'

A

Sow @ 20°C. Seed germinates within 3 months.
Oenothera 'Lemon Sunset'

J

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