Flower trivia celebrates the beauty, science, and cultural history behind the world’s most captivating blooms. From the rare corpse flowers that mimic decay to attract pollinators to the resilient lotus that germinated after 1,300 years, every fact reveals just how astonishing plants can be.
This trivia collection explores everything from record-breaking roses and the mysterious Queen of the Night cactus to Darwin’s orchid predictions and the world’s smallest waterlilies. Whether you’re a gardening enthusiast, a botanist at heart, or simply fascinated by nature’s artistry, these verified flower trivia questions will inspire you to see the floral world in a whole new light.
1. What species produces the world’s largest single flower by diameter?
2. What is considered the smallest flowering plant on Earth?
3. Which spice is harvested from the stigmas of a flower and is famed as the most expensive spice?
4. Which commercially important flavoring comes from an orchid that usually requires hand pollination outside its native range?
5. What soil factor most directly drives the famous blue-to-pink color shift in many bigleaf hydrangeas?
6. A sunflower “flower” is actually what kind of structure made of many small flowers?
7. Which woodland wildflower can heat its inflorescence well above air temperature—sometimes enough to melt snow?
8. Which night-blooming cactus is famed for flowers that open for a single night each year?
9. Which Andean bromeliad bears one of the tallest flower spikes on Earth?
10. Two very different plants are both nicknamed “corpse flower.” Which are they?
11. Which flowering plant seed has been germinated after roughly 1,300 years of dormancy?
12. What famous 17th-century economic bubble centered on a flower?
13. What record does the Lady Banks’ rose in Tombstone, Arizona, hold?
14. Which dogwood holds the record for the fastest flower opening—under half a millisecond?
15. Young sunflowers track the sun across the sky each day. What biological timing mechanism underlies this?
16. Which orchid famously inspired Darwin to predict a moth with an extraordinarily long tongue—and which insect proved him right?
17. True or false: Plants that make betalain pigments also make anthocyanins in their flowers.
18. Has a “true” blue rose been created by breeding, or was genetic engineering required?
19. What record-setting aquatic waterlily has been dubbed the world’s smallest waterlily species?
20. Which plant holds the record for the largest unbranched inflorescence?
what’s next?
So, that wraps up our Flower Trivia! We regularly update this article with new questions about blooms, botany, and floral facts, so remember to bookmark this page so you don’t miss out on the latest updates.
Remember that you can use our print feature to come fully prepared and look like a pro at your next trivia night.
Did we miss some of your favorite flower trivia questions? If so, drop a comment below, and if it is a good one, we will add it to our article! Please keep it clean!
