The temperature in your grow room is very important for the photosynthesis of your marijuana plants. For example, low temperatures reduces evaporation through the leaves. The result is that the suction force, which takes up nutrients via the roots, becomes smaller.
Yes, you can make contributions to your IRA, subject to the IRS annual contribution limits ($5,500 for the 2015 tax year, $6,500 if you're age 50 or older). But you must keep Roth IRA and traditional IRA money separate.
You may only make contributions to your own SEP IRA if you are your own employer, whether full or part time. If you own an SEP IRA as part of your employment benefit, you cannot make contributions to this account. You may, however, set up and contribute to a traditional or Roth IRA up until your tax filing deadline.f you own an SEP IRA as part of your employment benefit, you cannot make contributions to this account. You may, however, set up and contribute to a traditional or Roth IRA up until your tax filing deadline.