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Spinach does not like hotSpinach does not like hot weather, so hopefully you have your plants in the shade. Harvest the leaves when they reach desired size. Don’t wait too long to harvest, or wait for larger leaves; bitterness will set in quickly after maturity. The whole plant can be harvested at once, and cut at the base, or leaves may be picked off the plants one layer at a time, giving inner layers more time to develop.

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