Article: Plants growing in winter need dramatically less water than you may be used to giving plants in a summer garden. The soil does not need to be kept moist. In fact, it should dry out between one watering and the next. Water only when the top 1 inch (2.5 cm) is dry. To see if the soil is dry, poke an un-gloved finger into the soil. If your finger feels dry up to the first knuckle, go ahead and water the garden. As long as you reworked the soil and added compost to the winter garden before planting your crops and flowers, you shouldn’t need to add fertilizer during the winter growing season. Plants absorb fewer nutrients over the winter than they would during the summer growth season. Just because winter crops and flowers grow well in cold temperatures does not mean that they thrive in low-light conditions. If you notice certain crops beginning to wilt during successive cloudy days, buy a grow light and set it up to shine on the plants. The grow light mimics the effect of sunlight.  You can purchase a grow light at any plant nursery or large gardening center. If you have a very large winter garden, you may need to purchase multiple grow lights to provide enough coverage.
What is a summary of what this article is about?
Water plants when the first inch of soil is dry. Do not fertilize plants over the winter. Add a grow light if the weather is mostly overcast.