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Fermi
Fermi's picture
Title: Member
Joined: 2010-03-03

[quote=DesertZone]

 

Fermi wrote:

Hi Aaron,

I noticed on your blog you have pics of one of my favorite plants, Penstemon grandiflorus.

Any hints on getting them to flowering size from seed? Is it best sown in situ or started in a seed-pot?

I'll be ordering them again from the NARGS Seedex when it "goes live" on Tuesday!

cheers

fermi

Someone gave me a couple of plants and ever sense they have been popping up every where.  A wonderfull plant for the dry garden.

[/quote]

Hi Aaron,

well I've got my seeds and I hope to get them sown when the weather cools down a bit. Hopefully they will get to be like yours and start to self sow!

cheers

fermi

Fermi de Sousa, Central Victoria, Australia Min: -7C, Max: +40C

DesertZone
Title: Guest
Joined: 2011-08-20

Hi fermi,

They grew real easy for me.  I planted a couple of plants and all the other popped up in the yard.  Best of luck to you.  I hope to see pics of them growing in your garden.smiley

Dry garden, little irrigation, 9" precip

Shoshone Idaho USA. Zone 5b-6a

Hot and dry in the summer, cold and snow in the winter.

Lori S.
Title: Moderator
Joined: 2009-10-27

The Alplains catalogue says to cover seed (though not indicated as being necessary) and to cold stratify for 8 weeks.  Then there is usually germination once the seeds are brought out to warmer conditions.  So, stratification is recommended, as is the case for most penstemons.   

I don't know what your winters are like.  If you don't really get a winter where you are (?), you could always stratify the seeds in a damp folded paper towel in a plastic bag in the refrigerator.

Lori Calgary, Alberta, Canada - Zone 3 -30 C to +30 C (rarely!); elevation ~1130m; annual precipitation ~40 cm

Fermi
Fermi's picture
Title: Member
Joined: 2010-03-03

Thanks, Lori,

Our winters are mild by your standards but we do get frosts and can drop down below  5oC most winters (the worst was -7oC!) so I'll cold stratify them in pots outdoors; still too hot here this week to start seed sowingfrown And next week the tops are only in the low 30s (oC) so we hope the cool weather will be here soon,

cheers

fermi

Fermi de Sousa, Central Victoria, Australia Min: -7C, Max: +40C

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