Horticulture and Planting Design Flashcards
6 cards from real BLArch Bachelor of Landscape Architecture practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 6 Horticulture and Planting Design flashcards as text
Which nutrient deficiency typically causes yellowing of leaves (chlorosis) in plants?
Answer: Iron or Nitrogen
Chlorosis (yellowing) is most commonly caused by iron or nitrogen deficiency, as both are essential for chlorophyll production.
What is the correct term for the seasonal shedding of leaves by deciduous trees in autumn?
Answer: Abscission
Abscission is the biological process by which plants shed leaves, flowers, or fruit by forming a specialized layer of cells at the base of the petiole.
Which planting technique involves grouping plants of the same species together for visual impact?
Answer: Massing
Massing groups multiple plants of the same species together to create bold, unified visual statements in the landscape.
What is the recommended minimum soil depth for growing most large shade trees?
Answer: 36 inches
Large shade trees typically require a minimum of 36 inches (3 feet) of suitable soil depth to support adequate root development.
Which term describes a plant that completes its life cycle within a single growing season?
Answer: Annual
An annual plant germinates, flowers, sets seed, and dies all within one growing season, unlike perennials that live for multiple years.
What is the primary function of mycorrhizal fungi in relation to landscape plants?
Answer: Enhance nutrient and water uptake by roots
Mycorrhizal fungi form symbiotic relationships with plant roots, dramatically extending the root system's ability to absorb water and nutrients.