Alcea

Alcea rosea 'Black Watchman'

Germination Tips

2

Requires darkness.

B

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

N

Sow directly in garden.

Alcea 'Black Knight'

Germination Tips

B

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

N

Sow directly in garden.

2

Requires darkness.

*

This species needs special care as described.
Special Care: 
biennial, sow fresh in autumn or in situ in spring

Alcea apterocarpa

Germination Tips

A

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

Alcea East Coast Hybrid

Germination Tips

B

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

N

Sow directly in garden.

2

Requires darkness.

*

This species needs special care as described.
Special Care: 
biennial, sow fresh in autumn or in situ in spring

Alcea ficifolia

Germination Tips

*

This species needs special care as described.

2

Requires darkness.

A

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

N

Sow directly in garden.
Special Care: 
biennial, sow fresh in autumn or in situ in spring

Alcea froloviana

Germination Tips

A

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

6

Requires scarification. Nick or rub between sheets of sandpaper.  See https://youtu.be/icB9HrqdQqU  Seed coat of Baptisia and Oxytropis and other Fabaceae can be scarified by soaking in boiling water. See http://botanicallyinclined.org/continuing-the-sowing-in-hot-water

Alcea hohenackeri

Germination Tips

A

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

6

Requires scarification. Nick or rub between sheets of sandpaper.  See https://youtu.be/icB9HrqdQqU  Seed coat of Baptisia and Oxytropis and other Fabaceae can be scarified by soaking in boiling water. See http://botanicallyinclined.org/continuing-the-sowing-in-hot-water

Alcea kurdica

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.

N

Sow directly in garden.

Alcea pallida

Germination Tips

B

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

N

Sow directly in garden.

*

This species needs special care as described.
Special Care: 
biennial, sow fresh in autumn or in situ in spring

Alcea rosea

Germination Tips

A

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

2

Requires darkness.

*

This species needs special care as described.
Special Care: 
biennial, sow fresh in autumn or in situ in spring

Alcea rosea 'Fiesta Time'

Germination Tips

*

This species needs special care as described.

2

Requires darkness.

B

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

N

Sow directly in garden.
Special Care: 
biennial, sow fresh in autumn or in situ in spring

Alcea rosea 'Mars Magic'

Germination Tips

A

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

Alcea rosea 'Nigra'

Germination Tips

B

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

N

Sow directly in garden.

2

Requires darkness.

*

This species needs special care as described.
Special Care: 
biennial, sow fresh in autumn or in situ in spring

Alcea rosea 'Queeny Purple'

Germination Tips

2

Requires darkness.

B

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

N

Sow directly in garden.

Alcea rosea 'The Watchman'

Germination Tips

*

This species needs special care as described.

2

Requires darkness.

B

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

N

Sow directly in garden.
Special Care: 
biennial, sow fresh in autumn or in situ in spring

Alcea rosea Chater's Double Group

Germination Tips

*

This species needs special care as described.

2

Requires darkness.

B

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

N

Sow directly in garden.
Special Care: 
biennial, sow fresh in autumn or in situ in spring

Alcea rosea East Coast Hybrid

Germination Tips

A

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

2

Requires darkness.

*

This species needs special care as described.
Special Care: 
biennial, sow fresh in autumn or in situ in spring

Alcea rugosa

Germination Tips

A

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

2

Requires darkness.

*

This species needs special care as described.
Special Care: 
biennial, sow fresh in autumn or in situ in spring

Alcea sp.

Germination Tips

B

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

N

Sow directly in garden.

2

Requires darkness.

*

This species needs special care as described.
Special Care: 
biennial, sow fresh in autumn or in situ in spring
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