Greenhouses. Ziplock bag, wet cotton balls and seeds. You can see all the plant parts. This has a printable for the "house". Although I think I might just tape the bags to the window and have a lot of them.
Parts of a plant flip book. The Parts of a Plant flip book includes 4 differentiated versions of the flip book. One where students can trace the plant part sentence, one where students can trace the plant part word, one where students can write the plant part words, and one where students can write their own plant part sentence. You decide which one students fill out! Parts of a Plant flip booklet features five parts:flower, leaves, stem, roots, and a seed.