# What is stretch? And what does 21 ozs per meter squared mean?

**URL:** <https://ilgmforum.com/t/what-is-stretch-and-what-does-21-ozs-per-meter-squared-mean/19117>\
**Category:** Preparations\
**Created:** [April 24, 2018, 7:56am UTC](https://ilgmforum.com/t/what-is-stretch-and-what-does-21-ozs-per-meter-squared-mean/19117 "2018-04-24T07:56:01Z")\
**Posts on this page:** 5\
**Page:** 1

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**Author:** ![ILGM.Zoe](https://sea2.discourse-cdn.com/growingmarijuana/user_avatar/ilgmforum.com/ilgm.zoe/32/43296_2.png) [@ILGM.Zoe](https://ilgmforum.com/u/ILGM.Zoe)\
**Post date:** [April 24, 2018, 7:56am UTC](https://ilgmforum.com/t/what-is-stretch-and-what-does-21-ozs-per-meter-squared-mean/19117/1 "2018-04-24T07:56:01Z")

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A customer has a question and I hope we can get some opinions on it, thanks

> What is stretch? And what does 21 ozs per meter squared mean?

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**Author:** ![Smokin\_ernie](https://sea2.discourse-cdn.com/growingmarijuana/user_avatar/ilgmforum.com/smokin_ernie/32/44057_2.png) [@Smokin\_ernie](https://ilgmforum.com/u/Smokin_ernie)\
**Post date:** [April 24, 2018, 8:08am UTC](https://ilgmforum.com/t/what-is-stretch-and-what-does-21-ozs-per-meter-squared-mean/19117/2 "2018-04-24T08:08:31Z")

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Stretch reference is to when you put an photo period plant into flower. About the first 2 weeks the plant will grow (stretch) to almost can double in size.

Not sure about the 21oz thing

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**Author:** ![Bananakush18](https://avatars.discourse-cdn.com/v4/letter/b/f0a364/32.png) [@Bananakush18](https://ilgmforum.com/u/Bananakush18)\
**Post date:** [April 24, 2018, 8:29am UTC](https://ilgmforum.com/t/what-is-stretch-and-what-does-21-ozs-per-meter-squared-mean/19117/3 "2018-04-24T08:29:01Z")

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Thank You. I wasn’t sure if they were saying 1 plant per meter squared would produce more than a plant with less space or what. I was planning on growing hydroponically but now thinking different.  
Haven’t figured out how to sign in yet. Thought when I tried it would ask who I am. I’m not FarmerJoe or trying to use his name. When I see how to sign in I will be Bubbakush18.

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**Author:** ![mountainman1](https://sea2.discourse-cdn.com/growingmarijuana/user_avatar/ilgmforum.com/mountainman1/32/187285_2.png) [@mountainman1](https://ilgmforum.com/u/mountainman1)\
**Post date:** [April 24, 2018, 8:37am UTC](https://ilgmforum.com/t/what-is-stretch-and-what-does-21-ozs-per-meter-squared-mean/19117/4 "2018-04-24T08:37:16Z")

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210z per square meter refers to the potential yield of a plant that has a footprint of 1m x 1m and is grown in optimum conditions.

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**Author:** ![Bananakush18](https://avatars.discourse-cdn.com/v4/letter/b/f0a364/32.png) [@Bananakush18](https://ilgmforum.com/u/Bananakush18)\
**Post date:** [April 24, 2018, 9:24pm UTC](https://ilgmforum.com/t/what-is-stretch-and-what-does-21-ozs-per-meter-squared-mean/19117/5 "2018-04-24T21:24:54Z")

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Thank You. I Thought that might be what it was but didn’t know. Very new to growing.