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Old 25-04-2004, 05:02 AM
Kenneth
 
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Default Heat mat after germination...?

Howdy,

I am starting some plants in a rather cool garage. I currently have
them on a heat mat to speed germination.

I want to know more about the effects of the heat from below after the
plants have germinated.

Generally, is it useful to leave the heat on? If not, what are some of
the likely disadvantages?

Sincere thanks,

--
Kenneth

If you email... Please remove the "SPAMLESS."

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Old 25-04-2004, 12:02 PM
Pat Kiewicz
 
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Default Heat mat after germination...?

Kenneth said:

I am starting some plants in a rather cool garage. I currently have
them on a heat mat to speed germination.

I want to know more about the effects of the heat from below after the
plants have germinated.

Generally, is it useful to leave the heat on? If not, what are some of
the likely disadvantages?


Turn it off unless the area would get below 50 degrees at night. And in that
case, you might want to move the mat out from under them and run it to warm
the air. (Otherwise you might have to water the plantsquite often.) The optimal
temperature for sprouting seeds is higher than the optimal temperature
for growing on good, sturdy plants.

I myself wish I could *lower* the temperature where I raise my plants.
--
Pat in Plymouth MI ('someplace.net' is comcast)

Any technology distinguishable from magic is insufficiently advanced.
(attributed to Don Marti)

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Old 25-04-2004, 04:04 PM
[email protected]
 
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Default Heat mat after germination...?

Kenneth,

Depends on the plants. Anything that normally requires warm
temperatures to grow will do much better if you leave the heat on. For
example, I keep tomato and cactus seedlings on the heating pad until it is
time to harden off in preparation to moving outdoors.
As noted by another reply, plants that require cooler temps should be
taken off the heating pad after germination. For example cabbage and
primula.

--beeky

Kenneth wrote:

Howdy,

I am starting some plants in a rather cool garage. I currently have
them on a heat mat to speed germination.

I want to know more about the effects of the heat from below after the
plants have germinated.

Generally, is it useful to leave the heat on? If not, what are some of
the likely disadvantages?

Sincere thanks,

--
Kenneth

If you email... Please remove the "SPAMLESS."


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Old 25-04-2004, 05:04 PM
Bill Bolle
 
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Default Heat mat after germination...?

Kenneth wrote:
On Sun, 25 Apr 2004 14:47:00 GMT, wrote:


Kenneth,

Depends on the plants. Anything that normally requires warm
temperatures to grow will do much better if you leave the heat on. For
example, I keep tomato and cactus seedlings on the heating pad until it is
time to harden off in preparation to moving outdoors.
As noted by another reply, plants that require cooler temps should be
taken off the heating pad after germination. For example cabbage and
primula.

--beeky

Kenneth wrote:


Howdy,

I am starting some plants in a rather cool garage. I currently have
them on a heat mat to speed germination.

I want to know more about the effects of the heat from below after the
plants have germinated.

Generally, is it useful to leave the heat on? If not, what are some of
the likely disadvantages?

Sincere thanks,

--
Kenneth

If you email... Please remove the "SPAMLESS."



Hi Beeky,

Thanks so much for your response...

I am having a problem with tomato seedlings becoming super tall
(leggy?) and wondered if that might relate to the heat issue.

They are still at the two-leaf stage but some are so tall and spindly
that they cannot support themselves.

Thanks for any further thoughts,

The symptoms are either from too much heat or nitrogen, causing them
to grow too fast, or not enough light------are they bending toward a
light source. I remove bottom heat as soon as about 50% of my seeds
have germinated.
Bill

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