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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Taenidia integerrima

J

Sow @4°C for 3 weeks, then place @20°C.
Tagetes erecta 'Garland Orange'

A

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

A

Sow @ 20°C. Seed germinates within 3 months.
Tagetes ''Cottage Red'

A

Sow @ 20°C. Seed germinates within 3 months.
Tagetes 'Naughty Marietta'

A

Sow @ 20°C. Seed germinates within 3 months.
Tagetes 'Simba'

A

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

2

Requires darkness.
Tagetes Gem Series

A

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

A

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

A

Sow @ 20°C. Seed germinates within 3 months.
Tagetes patula 'Colossus'

A

Sow @ 20°C. Seed germinates within 3 months.
Tagetes patula 'Queen Sophia'

A

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

?

We have incomplete information on the germination of this species. Sometimes we offer an educated guess about which approach you could try. Let us know what is successful.

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

Talinum 'Zoe'

A

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

H

Use repeated cycles of 4°C, then 20°C for 3 months each. Germination is very prolonged.
Talinum paniculatum

A

Sow @ 20°C. Seed germinates within 3 months.
Talinum paniculatum 'Kingswood Gold'

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

Talinum rugospermum

F

Sow @ 4°C.
Talinum sediforme

F

Sow @ 4°C.
Talinum spinescens

H

Use repeated cycles of 4°C, then 20°C for 3 months each. Germination is very prolonged.
Talinum teretifolium

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...
Talinum thompsonii

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...
Tamarix chinensis

*

This species needs special care as described.
fluctuating 15°C night, 20°C day, may germinate in 24 hrs
Tamarix pentandra

*

This species needs special care as described.
fluctuating 15°C night, 20°C day, may germinate in 24 hrs
Tamarix ramosissima 'Pink Cascade'

*

This species needs special care as described.
fluctuating 15°C night, 20°C day, may germinate in 24 hrs
Tanacetum bipinnatum

*

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...

J

Sow @4°C for 3 weeks, then place @20°C.
4 weeks cold in light is best approach but still has only 10% germination
Tanacetum bipinnatum

*

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...

J

Sow @4°C for 3 weeks, then place @20°C.
4 weeks cold in light is best approach but still has only 10% germination
Tanacetum albipannosum

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.
Tanacetum cinerariifolium

A

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

2

Requires darkness.
Tanacetum coccineum 'James Kelway'

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.
Tanacetum densum ssp. amani

A

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

!

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.

B

Sow @ 20°C. If seed does not germinate within 3 months, try 4°C for 1-2 months, then 20°C again.

*

This species needs special care as described.
20°C (light), then 4°C, then 20°C (dark)
Tanacetum huronense v. terra-novae

!

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.

B

Sow @ 20°C. If seed does not germinate within 3 months, try 4°C for 1-2 months, then 20°C again.
20°C (light), then 4°C, then 20°C (dark)
Tanacetum macrophyllum

!

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.
Tanacetum niveum

!

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.

B

Sow @ 20°C. If seed does not germinate within 3 months, try 4°C for 1-2 months, then 20°C again.
Tanacetum niveum 'Jackpot'

!

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.

B

Sow @ 20°C. If seed does not germinate within 3 months, try 4°C for 1-2 months, then 20°C again.
Tanacetum parthenium

!

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.
Tanacetum parthenium 'Aureum'

!

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.
Tanacetum vulgare

A

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

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.
Taraxacum carneocoloratum

A

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

A

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

?

We have incomplete information on the germination of this species. Sometimes we offer an educated guess about which approach you could try. Let us know what is successful.

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.
Taraxacum pamiricum

A

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

A

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

C

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

C

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

*

This species needs special care as described.

A

Sow @ 20°C. Seed germinates within 3 months.
water sparingly
Tecoma stans var. sambucifolia

A

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

A

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

A

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

A

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

!

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.

N

Sow directly in garden.
Telesonix jamesii

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

3

Requires light or the small seeds should be surface sown. See https://www.youtube.com/watch?v=RgkXUSI1GWo&index=1&list=UUJfYCNSWCIuOB2...
25% germination
Tellima grandiflora

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...
Telopea speciosissima

A

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

A

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

6

Requires scarification. Nick or rub between sheets of sandpaper. See https://youtu.be/icB9HrqdQqU
Tephroseris flammea

D

Use repeated cycles of 20°C, then 4°C for 3 months each. Germination is very prolonged.

2

Requires darkness.
Tephrosia virginiana

A

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

6

Requires scarification. Nick or rub between sheets of sandpaper. See https://youtu.be/icB9HrqdQqU

7

Requires soaking. Place in warm water until seeds swell, usually 24-48 hours. Discard floaters and the water used for soaking. See https://youtu.be/dhL57pqnHHQ
Tetraneuris acaulis

A

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

A

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