Hypericum

Hypericum androsaemum

Germination Tips

A

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

Hypericum ascyron ssp. pyramidatum

Germination Tips

A

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

Hypericum ascyron v. pyramidatum

Germination Tips

A

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

Hypericum kalmianum 'Ames'

Germination Tips

L

Give sown seeds several weeks @ 20°C to imbibe water (perhaps even germinate!), then 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

Hypericum adenotrichum

Germination Tips

A

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

Hypericum androsaemum 'Albury Purple'

Germination Tips

A

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

Hypericum androsaemum f. variegatum

Germination Tips

A

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

Hypericum androsaemum f. variegatum 'Mrs Gladis Brabazon'

Germination Tips

A

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

Hypericum ascyron

Germination Tips

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.

3

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

Hypericum athoum

Germination Tips

A

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

Hypericum aviculariifolium ssp. uniflorum

Germination Tips

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.

Hypericum bupleuroides

Germination Tips

?

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...

L

Give sown seeds several weeks @ 20°C to imbibe water (perhaps even germinate!), then 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

Hypericum canadense

Germination Tips

3

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

G

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

Hypericum cerastoides

Germination Tips

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.

Hypericum inodorum

Germination Tips

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.

Hypericum kalmianum

Germination Tips

L

Give sown seeds several weeks @ 20°C to imbibe water (perhaps even germinate!), then 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

Hypericum kamtschaticum

Germination Tips

A

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

Hypericum kiusianum v. yakusimense

Germination Tips

A

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

Hypericum olympicum

Germination Tips

!

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.

4

A

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

Hypericum olympicum f. grandiflorum

Germination Tips

!

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.

4

A

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