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.
Click Reset anytime to start a new search.

Wisteria sinensis 'Prolific'

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

A

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

A

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

J

Sow @4°C for 3 weeks, then place @20°C.
Wulfenia blechicii ssp. rohlenae

J

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

J

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

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...
Wulfenia carniolica

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

Wulfenia 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

Wulfenia x suendermannii

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.
x Pardancanda norrisii

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.
x Pardancanda norrisii ex 'Sangria'

A

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

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.
Xanthisma coloradoense

A

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

A

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

2

Requires darkness.
Xanthorhiza simplicissima

!

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.

J

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

A

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

E

Sow @ 20°C for 6 weeks, then place @ 4°C for 6 weeks, then slowly raise temperature to 10°C for 6 weeks. If there is no germination, repeat the cycle. This mimics fall sowing outdoors for spring germination.
Xylanthemum tianschanicum

A

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

A

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

*

This species needs special care as described.
higher temperature will inhibit germination
Yucca filamentosa

A

Sow @ 20°C. Seed germinates within 3 months.
Yucca filamentosa 'Variegata'

A

Sow @ 20°C. Seed germinates within 3 months.
Yucca flaccida 'Golden Sword'

A

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

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
Yucca glauca

A

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

A

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

*

This species needs special care as described.

2

Requires darkness.

8

Pulpy coat inhibits germination. Remove by soaking and rinsing in clean water daily for approximately 7 days. Discard water.

A

Sow @ 20°C. Seed germinates within 3 months.
remove green photosynthesizing capsule which inhibits germination
Zantedeschia aethiopica

*

This species needs special care as described.

2

Requires darkness.

8

Pulpy coat inhibits germination. Remove by soaking and rinsing in clean water daily for approximately 7 days. Discard water.

A

Sow @ 20°C. Seed germinates within 3 months.
remove green photosynthesizing capsule which inhibits germination
Zantedeschia aethiopica 'Green Goddess'

A

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

2

Requires darkness.

8

Pulpy coat inhibits germination. Remove by soaking and rinsing in clean water daily for approximately 7 days. Discard water.

*

This species needs special care as described.
remove green photosynthesizing capsule which inhibits germination
Zantedeschia elliottiana

A

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

4

Germination is improved by using GA3.
Zauschneria californica

A

Sow @ 20°C. Seed germinates within 3 months.
Zauschneria californica ssp. garrettii

A

Sow @ 20°C. Seed germinates within 3 months.
Zauschneria californica ssp. latifolia

A

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

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...
Zea mays 'Tricolor'

A

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

!

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.
Zephyranthes atamasca

!

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.
Zephyranthes chlorosolen

!

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.
Zephyranthes drummondii

A

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

!

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.
Zephyranthes La Bufa Rosa Group

!

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.
Zephyranthes macrosiphon

!

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.
Zephyranthes sp.

!

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.
Zephyranthes sulphurea

A

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

A

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

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

Zigadenus sp.

?

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.

A

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

F

Sow @ 4°C.
Zinnia hybrids

A

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

A

Sow @ 20°C. Seed germinates within 3 months.
Zinnia peruviana 'Red Spider'

A

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

A

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

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...
Zizia aurea

J

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

A

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