1. A substance to provide nutrients to plants

1. Fusion of male and female reproductive cells

2. Relating to or characteristic of the tropics

3. Part of the plant that typically lies below the surface

4. A genus of flowering plants known for their large, colorful flowers

5. Process of producing and opening flowers

5. Flower or to produce flowers

6. Removing unwanted parts of a plant

7. Male reproductive part of the flower

8. Female reproductive part of the flower

9. Fine powder containing the male reproductive cells

10. Colorful and showy flower parts

11. Green leaf-like structures that protect the flower bud

12. Material used to cover and protect the soil surface

13. Upper layer of earth in which plants grow

14. Transfer of pollen to the stigma for fertilization

15. Gland that produces nectar in a flower

16. Connects the stigma to the ovary

17. An area used for cultivating flowers or plants