Seed starting chronicles 2012

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Sellars
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Title: Member
Joined: 2009-12-29

That germination information is very interesting Rick.  I was particularly struck by Table 3 that indicates to me that chilling is required for at least 2 months and maybe 4 or 5 months for high altitude species, based on their experiments with Eriogonum.

I use two strategies for seed starting.  Those that need cold stratification are left outside with a cover to experience alternating temperatures.  Those seeds that need warm temperatures I start in a greenhouse.  If I get seed from the exchange at the end of January the challenge is that, in our climate, I don't have 2 months of suitable cold stratification weather remaining before spring.  I have observed that I get better germination if I sow outside seeds in November so that there is a full winter period for cold stratification. So some seeds that I receive in late January I now save for planting the following November.

I have outside seed trays of Lewisia rediviva and Douglasia nivalis sown last November that germinated in January.

David Sellars
From the Wet Coast of British Columbia, Canada

Feature your favourite hikes at:
www.mountainflora.ca
MountainFlora videos:
http://www.youtube.com/user/MountainFlora

Boland
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Title: Member
Joined: 2009-09-25

Here are some of my results.  I have about 200 pots on the go.  Many are being stratified and some were just sown and stratified today so they will not see heat until April.  Having said that, here's what is germinated

Direct Sown Jan 27/12, germinated Feb.7/12 (some germinated earlier than this but I essentially make notes once a week, they are growing at 10 C nights, 15 C days)

Alyssum borzeanum
Alyssum pulvinare
Achillea clavinae
Erigeron foliosus
Erigeron simplex
Hymenoxys subintegra
Heliosperma pusillum
Heterotheca pumila
Scorzonera austriaca
Townsendia hookeri
T. incana
T. rothrockii
T. scapigera
T. florifera
T. mensana

Stratified Dec. 21/11, brought into heat Feb. 2/12, germinated Feb. 7/12

Primula cortusoides
Penstemon pachyphyllus
P. fendleri
Draba parnassica
Incarvillea mairei
Onosma cinerea
Onosma helvatica

Stratified Nov. 10/11, brought into heat Jan. 9/12, germinated Jan. 23/12

Androsace obtusifolia
Allium stellatum
Campanula celsii
Symphandra armena
Delphinium smithianum
Saxifraga cherleroides v. rebunshirensis

I'll post an update in a week!

Todd Boland
St. John's, Newfoundland, Canada
Zone 5b
1800 mm precipitation per year

Hoy
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Title: Member
Joined: 2009-12-15

Todd, those sown Nov/Dec last year, are the seed fresh or stored from another year?
I never get seeds that early in the season?!

Trond
Rogaland, Norway - with cool, often rainy summers  (29C max) and mild, often rainy winters (180 cm/year)!

RickR
Title: Moderator
Joined: 2009-09-21

David wrote:

If I get seed from the exchange at the end of January the challenge is that, in our climate, I don't have 2 months of suitable cold stratification weather remaining before spring.  I have observed that I get better germination if I sow outside seeds in November so that there is a full winter period for cold stratification. So some seeds that I receive in late January I now save for planting the following November.

I do that more and more now, too, waiting to plant seeds next season.  Maybe partly because I don't get it all done as early as I should.  It seems to be preferred by a lot of fritillaria people, and certainly could be better for seed that might do better when aged, like penstemon and some cactus.

Rick Rodich    zone 4a.    Annual precipitation ~24 inches
near Minneapolis, Minnesota, USA

Boland
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Title: Member
Joined: 2009-09-25

Yes Trond, they were last years seeds.  Some of the seed exchanges I use don't send seed until April which is too late for strat.  And then I also get excess NARGS seed and they don't arrive until April-May, so I have plenty of seed that sits around until the following fall.

Todd Boland
St. John's, Newfoundland, Canada
Zone 5b
1800 mm precipitation per year

Boland
Boland's picture
Title: Member
Joined: 2009-09-25

Latest germination:

Stratified Nov. 10, heat Feb 2, germination Feb. 9

Draba norvegica (native)
Armeria maritima ssp. siberica (native)

Stratified Dec 2, heat Feb. 2, germination Feb 9

Draba brunifolia
Arabis parishii

Todd Boland
St. John's, Newfoundland, Canada
Zone 5b
1800 mm precipitation per year

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

A few recent ones:
Physochlainia orientalis (the leftmost seedling is an imposter); Rheum delavayi; Campanula topaliana; Smelowskia calycina:
     
Some info:
Physochlainia orientalis- seeds from Gardens North; germinated at 6 days at room temp; an interesting, early-blooming hardy Solanaceae; this photo is from the Reader Rock Garden in Calgary:  http://www.flickr.com/photos/14980862@N03/2494136461/
http://www.rareplants.de/shop/product.asp?P_ID=9059
http://www.efloras.org/florataxon.aspx?flora_id=120&taxon_id=242442760

Rheum delavayi - seeds collected by Holubec in China, Beima Shan, Yunnan, 4800m elevation, slate scree, 2008.
http://www.efloras.org/florataxon.aspx?flora_id=2&taxon_id=242343374

Campanula topaliana - seeds from NARGS in 2010; whereas many Campanula seem to require stratification, this one sprouts readily at room temp; in the first attempt in 2010, germination took 8 days; this year, from the same seeds, germination started the day after planting; I'm growing some more of these in case they do turn out to be monocarpic, and to disperse at the CRAGS plant sale, if there is any interest in it:
http://nargs.org/smf/index.php?topic=24.msg13116#msg13116

Smelowskia calycina - a native alpine Brassicaceae:
  http://nargs.org/smf/index.php?topic=934.msg13941#msg13941
_________________________________________________________________________

Plantago urvillei; Microula tibetica; Scutellaria megalaspis:
   

Plantago urvillei - seeds from Holubec, ex. Olkhon, Siberia, grassland, collected 2011.
http://www.fotomontaro.com/flora/plantagina/plantago_urvillei01.shtml

Microula tibetica - seeds from Holubec, collected "China, Shengli Daban, Borohorshan, 3500m, open erosion gullies, compact caespitose cushion, 2-3 cm high, scabrous lanceolate lvs in ground rosettes minor blue sessile flws, 2011"; Boraginaceae.
http://holubec.wbs.cz/3Borohoro-Shan_-Xinjiang.html
http://www.efloras.org/florataxon.aspx?flora_id=2&taxon_id=200019128

Scutellaria megalaspis - seeds from Pavelka, 1500m, Hekinham, Turkey; Bigger cushions, branched stems, 15-25 cm, violet-blue flws, dry stoney slopes, 2010 seed.
_________________________________________________________________________
Thymus aff. haussknechtii; Ebenus pisidica; Cynoglossum lanceolatum:
   

Thymus aff. haussknechtii - seeds from Pavelka, "1600m, Kop Dag, Turkey; dense dwarf subshrub, 10-20cm, strongly bluish-glaucous lvs, big white to pink flws, very good, 2008 seed"; seeds germinated in 5 days at room temp.

Ebenus pisidica - seeds from Pavelka, "1600m, Dirmil Pass, Turkey; cushions of silky-silver lvs, 10-15cm, red-purple flws in globose inflorescence, stoney slopes, 2009 seed"; seeds germinated in 2 days after being scarified by rubbing against a file.
http://www.treknature.com/gallery/photo232044.htm

Cynoglossum lanceolatum - seeds from Pavelka, "3300m, Zhongdian Range, Yunnan, China; short lived perennial, silky hairy leaves, erect scapes, 10-50cm, many sky blue flws, stoney slopes, 2009 seed".
http://www.efloras.org/florataxon.aspx?flora_id=2&taxon_id=200018962

Edited to add details.

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

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

Also Syncalathium soulei or more correctly(?), Melanoseris souliei and Cancrinia tianshanica:
 

Syncalathium soulei - seeds from Holubec, China, Hong Shan, Yunnan.
http://nargs.org/smf/index.php?topic=963.msg14996#msg14996
http://www.efloras.org/florataxon.aspx?flora_id=2&taxon_id=250097510

Cancrinia tianshanica - seeds from Holubec, "China, Shengli Daban,Borhoroshan, 3600m, alpine sandy deposits, caespitose pl, 3-7cm high, hairy pinnate lvs, 2-3 cm long, ball-like capituli, 15mm wide, yellow flws, 2011".
http://holubec.wbs.cz/3Borohoro-Shan_-Xinjiang.html

These also germinated in a few days at room temperature.

Edited to add details.

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

Fermi
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Title: Member
Joined: 2010-03-03

This Ebenus creticus was sown a few weeks ago and germinated yesterday - I hadn't been hopeful as mice had gotten into the packet and I didn't know if anything viable (edible!) was left to sow! Seeing Lori's Ebenus psidica made me think I should post this pic!
cheers
fermi

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

Mark McD
Title: Moderator
Joined: 2009-12-14

Fun seeing all these little babies pop up. 

Lori, I don't even know the genus on some that you show.  I looked up the genus Syncalathium in Flora of China, there's a note at the bottom about S. souliei being ascribed to the genus Melanoseris (as M. souliei)
http://www.efloras.org/florataxon.aspx?flora_id=2&taxon_id=132065

This link discusses related genera (I know none of them) and some photos of very interesting looking plants:
http://english.kib.cas.cn/rh/rp/201104/t20110406_67336.html

Syncalathium souliei on the Holubec site, 3rd photo from the bottom:
http://holubec.wbs.cz/6Tibet_-China.html
...terrific looking form and large clear photo on the Database of Chinese Plants site:
http://www.plant.csdb.cn/details?guid=photo:cfh@8f4d0a7e-e01a-4ce0-a69a-c995db946e2b
http://www.plant.csdb.cn/details?guid=photo:cfh@fb9c051b-f560-44bc-ab8c-e2d41b621f47

Mark McDonough
Massachusetts, USA, near the New Hampshire border USDA Zone 5
antennaria at aol.com
 

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