En EspaŅol
Share

Ask Mr. Smarty Plants

Mr. Smarty Plants - Germination period for Snow Mountain beardtongue (Penstemon purpusii)

Ask Mr. Smarty Plants is a free service provided by the staff and volunteers at the Lady Bird Johnson Wildflower Center.

Search Smarty Plants
    
 
See a list of all Smarty Plants questions
Can't find the answer in our existing FAQs, submit a question to Mr. Smarty Plants.

Need help with plant identification, visit the plant identification page.
 
rate this answer
Not Yet Rated

Wednesday - March 12, 2008

From: Queen Creek, AZ
Region: Southwest
Topic: Propagation
Title: Germination period for Snow Mountain beardtongue (Penstemon purpusii)
Answered by: Nan Hampton

QUESTION:

Why is the germination period for the Snowmountain Beardtongue so long?. I understand it to be approximately 690 days.

ANSWER:

I did find a record on The Seed Site from UK that reported "679" under the column heading "Winter-Out" for Penstemon purpusii (Snow Mountain beardtongue). According to their Germination Page: "Out = seeds sown in pots of compost and kept in uncovered trays outside in the open or on a shelf unit with covered sides."

Tom Clothier's Garden Walk and Talk web page has a Penstemon Germination Database that gives the germination time for P. purpusii as 8 weeks at 40° F. Perhaps the The Seed Site number was an entry error (maybe it was meant to be 67 or 79) or perhaps the outdoor temperature in the UK was not sufficiently consistent during the winter to germinate the seeds in the same amount of time as reported in the Penstemon Germination Database.

 

More Propagation Questions

Propagating Eustoma exaltatum from seed in Lucas TX
September 27, 2010 - Hello I know that Texas bluebells Eustoma exaltatum ssp. russellianum are supposed to be difficult to start from seed. Does Mr. Smarty Plants have any helpful hints? Thanks!
view the full question and answer

Wildflowers after controlled burn in New Braunfels, TX
February 19, 2009 - I live in the Hill Country a few miles north of New Braunfels. As soon as we get enough rain to lift our burn ban, I will be thinning out some of my Ashe juniper and will do some burning in the open ...
view the full question and answer

Transplanting a young lilac
November 05, 2012 - This past spring I planted a hybrid lilac in the ground. The weather here has started to get cold, and much more so at night. Also, the temperatures go from warm to cold and back again as if unsure wh...
view the full question and answer

Are there production timing guides for native plant production?
October 27, 2009 - We need growers timetable guide for native plants from seed to salable size. Any already published guides out there?
view the full question and answer

Planting Candelilla from Austin
July 12, 2013 - Good Morning and thank you for answering my question!! I am interested in planting a Candelilla plant (it looks like small bamboo plants growing only a 2-3 feet tall. I heard it is supposed to be ver...
view the full question and answer

Smarty Plants's Facebook profile Support the Wildflower Center by Donating Online or Becoming a Member today.

Mr. Smarty Plants wants you to be his Facebook friend. Click the Facebook icon to add yourself to Mr. Smarty Plants list of friends.
E-NEWSLETTER | BECOME A MEMBER | DONATE NOW | MEDIA | SITEMAP
© 2014 Lady Bird Johnson Wildflower Center