Photo by Melody

Seed Germination: Seedlings REALLY slow to grow. Normal?

Communities > Forums > Seed Germination
bookmark
Forum: Seed GerminationReplies: 4, Views: 65
Add to Bookmarks
-
AuthorContent
sherriseden
Des Plaines, IL
(Zone 5b)

June 24, 2012
7:19 PM

Post #9179243

After cold stratifying in the fridge, I started Aster macrophyllus (native big leaf aster) and Eupatorium coelestinum (native mistflower) in pots on 3/29/12. Well, they germinated at 100%, but are growing incredibly slowly! The largest one of each is maybe 1 and 1/2" tall - about 2 sets of true leaves. Is this normal? At this rate, I'm not sure I can even set them out this year!
CLScott
Calgary
Canada

June 29, 2012
6:32 AM

Post #9185906

I am not familiar with those particular plants, but no one is replying to your query?
Are they in good soil? how much light do they get?
Sometimes plants just grow slowly.
Has it been very warm there?
Many plants slow down with summer heat,
and then pick up when cooler weather comes back?

I'd be patient with those plants.
Caroline
sherriseden
Des Plaines, IL
(Zone 5b)

June 30, 2012
6:46 AM

Post #9187251

Thanks, Caroline. They're in seed starting soil in a south facing window under fluorescent lights. It's fairly warm in the room as we keep the vent closed. I may water with a very weak fish emulsion solution to jump start them a bit. They look healthy, so I'll just wait!
trc65
Galesburg, IL

June 30, 2012
9:15 AM

Post #9187435

Cooler temps and some fertilizer will get them growing. As hot as it has been, seedlings are not growing much. You have to remember that plants generally like cooler root temps. I always have problems with seedlings this time of year because the root temps are so high. If I keep any in pots that are still too small to transplant I will move them outside in mostly shade and dig a hole to bury the pots. I'll grow them in the pots/ground to keep roots cool until ready to transplant. You will always have some roots that will grow through the pots, but if you dig them up instead of just pull the pots out of the ground you can save most of them (but not always save the pots if you have to cut them to release the roots).
sherriseden
Des Plaines, IL
(Zone 5b)

July 3, 2012
6:53 PM

Post #9192010

Thank you, TRC65. They're actually still in the house, but they're in a room where I have the vent closed so they don't get the direct air conditioning. Maybe I'll open the vent in there to get them going, then in September start hardening them off.

You cannot post until you register and login.


Other Seed Germination Threads you might be interested in:

SubjectThread StarterRepliesLast Post
Propagation: Why are some seedlings "leggy"? gardendragon 18 May 8, 2013 6:47 PM
Welcome to the Seed Germination Discussion Forum! dave 20 Dec 23, 2009 2:56 PM
Jiffy Mini-Greenhouse for starting seeds PeggieK 188 Mar 21, 2013 11:19 AM
Stratification kimmers 27 Mar 26, 2014 4:37 PM
Sowing in Spaghnum moss Laurie1 3 Mar 8, 2007 11:55 PM


We recommend Firefox
Overwhelmed? There's a lot to see here. Try starting at our homepage.

[ Home | About | Advertise | Media Kit | Mission | Featured Companies | Submit an Article | Terms of Use | Tour | Rules | Privacy Policy | Contact Us ]

Back to the top

Copyright © 2000-2014 Dave's Garden, an Internet Brands company. All Rights Reserved.
 

Hope for America