How to Identify and Classify Dewberries
  • 1. What is the typical growth habit of a dewberry plant?
A) Tall tree
B) Climbing vine
C) Trailing or prostrate
D) Erect shrub
  • 2. Dewberries typically produce fruit:
A) On current-year canes
B) On second-year canes
C) Only in shaded areas
D) Year-round
  • 3. Dewberry thorns are usually:
A) Absent
B) Hooked and sharp
C) Large and abundant
D) Small and sparse
  • 4. What is the typical color of ripe dewberries?
A) Green
B) Bright red
C) Dark purple to black
D) Yellow
  • 5. Compared to blackberries, dewberries generally ripen:
A) Earlier in the season
B) Not at all
C) Later in the season
D) At the same time
  • 6. Dewberry stems are commonly called:
A) Vines
B) Branches
C) Canes
D) Trunks
  • 7. The fruit of a dewberry is technically a:
A) Drupe
B) Pome
C) Aggregate fruit
D) Berry
  • 8. What is a key difference between dewberries and blackberries in terms of fruit removal?
A) Blackberries keep the torus attached.
B) Neither keep the torus attached.
C) Dewberries keep the torus attached to the fruit when picked.
D) Both keep the torus attached.
  • 9. Which habitat is most likely to support dewberries?
A) Alpine meadows
B) Dense forests
C) Deserts
D) Fields and thickets
  • 10. Dewberries are in the same plant family as:
A) Grasses
B) Sunflowers
C) Lilies
D) Roses
  • 11. What is the genus name for dewberries?
A) Rubus
B) Vaccinium
C) Solanum
D) Fragaria
  • 12. How many leaflets typically comprise a dewberry leaf?
A) 3-5
B) 1
C) More than 10
D) 7-9
  • 13. Are dewberries considered native to North America?
A) No, they are all introduced.
B) It's uncertain.
C) Yes, many species are native.
D) Only one species is native.
  • 14. What is the best time of year to prune dewberries?
A) Mid-summer
B) Late fall
C) Early spring
D) After fruiting
  • 15. What is a distinguishing feature of dewberry flowers?
A) White petals
B) Red petals
C) Yellow petals
D) Blue petals
  • 16. Which soil type is most suitable for dewberries?
A) Clay soil
B) Waterlogged soil
C) Sandy soil
D) Well-drained soil
  • 17. What is a common use for dewberries besides eating fresh?
A) Dyeing fabrics
B) Fuel
C) Making jams and jellies
D) Building materials
  • 18. How does dewberry fruit appear differently on the plant than blackberries?
A) They are much larger.
B) They have a fuzzy exterior
C) They appear in clusters
D) They appear dew-kissed, or covered with a whitish bloom
  • 19. What is a recommended method to propagate dewberries?
A) Tip layering
B) Grafting
C) Budding
D) Air layering
  • 20. What is the primary difference in growth habit between northern and southern dewberry species?
A) Northern species grow as erect shrubs.
B) There is no specific difference
C) Southern species grow exclusively in water.
D) Northern species are less thorny.
  • 21. Which of the following is a potential pest of dewberries?
A) Earthworms
B) Spider mites
C) Bees
D) Ladybugs
  • 22. What is a benefit of growing dewberries?
A) Repelling insects
B) Creating shade
C) Attracting pollinators
D) Preventing soil erosion
  • 23. Dewberries are rich in which vitamin?
A) Vitamin A
B) Vitamin B12
C) Vitamin D
D) Vitamin C
  • 24. What is meant by 'biennial' when describing dewberry cane growth?
A) Canes live for one year.
B) Canes live indefinitely.
C) Canes live for several years.
D) Canes live for two years.
  • 25. What is a common method of supporting dewberry plants in cultivation?
A) Watering
B) Trellising
C) Mulching
D) Fertilizing
  • 26. Which of these is NOT a characteristic to consider when identifying dewberries?
A) The presence of a torus on the picked fruit.
B) Bark texture of mature trees nearby
C) Shape and serration of leaves
D) Color and presence of thorns on canes
  • 27. What does the term 'self-fruitful' mean regarding dewberries?
A) They are resistant to diseases.
B) They require a different variety for pollination.
C) They do not require pollination.
D) They can be pollinated by their own pollen.
  • 28. What is the significance of chilling hours for dewberries?
A) They are not affected by chilling hours.
B) They need a certain period of cold to fruit properly.
C) Chilling hours determine leaf color.
D) They require a certain period of heat to fruit properly.
  • 29. Which of these fruits is most closely related to the dewberry?
A) Strawberry
B) Blackberry
C) Blueberry
D) Raspberry
  • 30. What is a simple way to differentiate between dewberries and young blackberry canes?
A) Blackberry canes have thorns that are a different color
B) Blackberry canes always grow in pairs
C) Dewberry canes have larger leaves
D) Dewberry canes tend to trail along the ground, while young blackberry canes are more upright
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