I am the number or range of numbers based on an area’s coldest average temperature that indicates where a plant will survive and thrive.
Hardiness Zones
A substance used to control unwanted plants is called ________
Herbicide
I am the field of work whose name literally means “to cultivate a garden” in Latin.
Horticulture
I am a category of plants that completes its lifecycle in one growing season.
Annual
I am the type of propagation that involves pollination
sexual
The lower the hardiness zone, the ________ the average temperature.
Colder
I am a poison ivy plant. Am I considered a weed?
That depends on the gardener! One man's weed could be another man's treasure.
I am the branch of horticulture that refers to the growing of flowers
Floriculture
I am a type of plant that is multi-stemmed, woody, rarely grows over 25 feet tall, and is often used to create hedges, privacy screens, or wind screens
Shrub
I am the type of propagation, also called cloning, produces plants that contain the exact same genetic material as the mother plant.
Asexual
I am a 5-10-10 fertilizer. 5 refers to which of my essential macronutrients?
Nitrogen
I am an example of a broadleaf weed.
PURSLANE, DANDELION, CLOVER, DOCK, THISTLE, DEADNETTLE
I am the branch of horticulture that refers to the growing of fruit
Pomology
I am a category of plants that produces hard rigid stems often covered in bark and are mainly found among perennials
Woody
I am a type of asexual propagation in which material from two different plants is united to grow as one plant.
Grafting
The higher a soil sample is on the pH scale, the more alkaline. The lower a soil sample is on the pH scale, the more _________.
Acidic
I am a type of herbicide used to prevent weed seeds from germinating. I am used before weeds are visible above ground.
Hint: Am I preemergent or postemergent?
I am the branch of horticulture that refers to the growing of vegetables
Olericulture
I am a category of plants that have softer, flexible, green stems without any bark, often found among annual plants.
Herbaceous
In grafting, I am the top part of the plant which is fused to the rootstock
Scion
I am the nutrient that helps the overall functions of the plant perform correctly. On the periodic table, my letter is K. Who am I?
Potassium
I am a type of herbicide that kills all plants to which they’re applied. I am used in places where no plant growth is wanted.
Hint: Selective or Non-selective?
I am the branch of horticulture that refers to the installation and maintenance of trees, shrubs, grass, or other ornamental vegetation.
Landscaping
I am a group of plants that are structures which operate as underground storage organs, such as garlic, onions, tulips, and daffodils. When I’m planted in fall, I am dormant until I bloom in Spring.
Geophyte (also bulb)
I am the type of asexual propagation involving girdling the stem and packing a growing medium around the wound to allow roots to form. I am often used to propagate tropical trees and shrubs because it speeds up the process of fruit production.
Air layering