Transplanting sunflowers

the_pumpkin_queen(z7 Arkansas)March 25, 2007

My first batch of sunflower seedlings are about 2 wks old and about 3" high and getting their 2nd set of leaves. When should I transplant them into larger pots....and then into the ground?

I planted them in one of those Jiffy Greenhouses in the weebity plastic 6 pks. and germinated them outside in the sun. (Incase that makes a difference.)

Many thanx,


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If you are planning on growing any in containers I'd transplant those when roots start showing out of the drainage holes. I'd wait until it's warm enough outside to plant the ones you want in the yard instead of transplanting twice.

    Bookmark   March 25, 2007 at 10:34AM
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the_pumpkin_queen(z7 Arkansas)

Its plenty warm enough now to plant outside Thats where they have been in their "greenhouse". They have been out from under the cover for about 4 days. I have already seen roots thru the drainage holes but the 2nd sets of leaves have not fully devloped yet.

    Bookmark   March 25, 2007 at 12:01PM
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I'd go ahead and plant them in the garden if all danger of frost has passed. I think most seedlings do better when they are transplanted asap. I'm jealous. I'm still a month away from putting most of my seedlings in the ground : (

    Bookmark   March 25, 2007 at 12:18PM
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nygardener(z6 New York)

I'm closer to two months away!    : [

    Bookmark   March 28, 2007 at 8:45PM
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Zone maps will have to be redrawn soon. I'm going to be in the ground by mid April. One more week and my second cold frame will be ready, hot frame if I add a light. It's getting too crowded in the kitchen window/workshop lite shelves. Central Mn.

    Bookmark   March 29, 2007 at 8:20AM
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parad0x(Z7 Philadelphia)

I thought sunflowers disliked transplanting and don't do well if ya try?

Todd In Philly

    Bookmark   March 29, 2007 at 3:28PM
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girlndocs(8 WA)

Mine do fine. I wintersow them thickly in milk jugs and just transplant them in clusters of 2 or 3.

Slugs love them, though, and apparently squirrels too. Will munch them right down to the ground! So, I leave them in the milk jug until they're as big as possible to reduce the danger of having them disappear on me after planting out. Then, I surround each cluster of seedlings with a product called Slug Stop (soapy stuff in a tube like toothpaste).


    Bookmark   March 30, 2007 at 3:52PM
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My sunflowers are inside and are getting very BIG!! A couple are already over a foot tall. They are in 2 liter bottles. I am over a month away from getting them in the ground. Do they stand a chance or should I just start new ones? Too anxious for the nice weather I guess!!

    Bookmark   April 18, 2007 at 4:00PM
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Oh how I love the Gardenweb! My sunflower seedlings are about 4 inches tall and I'm trying to wait a little longer to put them in the ground. Last year the squirrels pulled up all my seedlings....even those that were getting large. Darn! Sunflowers are soooo wonderful in the garden.

    Bookmark   May 11, 2008 at 12:53PM
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My Sunflower starts are all leggy so my question is, can I bury them deeper into the outdoor soil? Now that the frost warnings are past, plan to sow some seeds directly outside in between the starter ones.

    Bookmark   April 23, 2009 at 1:54PM
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Do sunflowers need hardening off?

    Bookmark   April 23, 2009 at 9:37PM
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Did anyone respond to the question about planting them deeper? I want to cover at least 5 inches of leggy stem - will it rot?

    Bookmark   June 19, 2012 at 1:47PM
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Lynne Reno

Mine are always leggy when I transplant them, so when I plant them outside I bury them to about 1" below the lowest leaves. I'm not even sure that's the right thing to do, but it seems to work ok =)

    Bookmark   June 26, 2012 at 1:17AM
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steilberg(6 lou,KY)

do you ever leave avacodo pits for the squirrels?

    Bookmark   April 28, 2013 at 10:26AM
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