DENDROLOGY

Detailed explanation-1: -Winter flowering annuals : Petunia, cockscomb, zinnia, calendula, chrysanthemum, cineraria, and marigold are some best colorful annuals that we can grow in the Indian climate during the winter season. Flower plants need soil up to 5 inches deep. So, dig a hole in the soil and bury the seed about 2 inches deep.

Detailed explanation-2: -Some important food plants, wheat, barley, rye have two kinds of varieties: winter and spring varieties.

Detailed explanation-3: -Annuals are plants that complete their life cycle in one year. They germinate, grow, bear fruits and die off within an year. Generally, all herbs and plants belonging to the grass family exhibit this type of life cycle. Mustard, watermelon, corn, lettuce wheat, are a few examples of annual plants.