Master Gardener
Master Gardener Program 2026 Comprehensive
Review with Questions, Verified Answers, and
Horticultural Rationales
Sand, silt, clay Place in order from largest to smallest particle size in the tree mineral
components of soil.
Hardening off What is the name of the process of gradually accilimating plants such as seedlings
and cuttings to the outdoor environment.
scarificaton The process of roughing up the seed coat before planting is called
, True True or False: You should thoroughly water a plant 24 hours before you take
cuttings.
25 - 30 to 1 What is the recommended ratio of Carbon to Nitrogen to use when you are
building a compost pile?
C, N, N, C A good compost is amixture of Brown(C)and Green(N) sources. There are many
possible items to compost. What do each of the following supply: Newspapers,
fresh grass clippings, coffee grounds, dried leaves.
2 When preparing a stem cutting for propagation, the goal is to have at least ________
nodes below the soil.
True True or False: pH of soil influences the availability of nutrients to plants. It is
important to know what a soil sample lacks because, regardless of the amount of
nutrients in the soil, a plant's growth is limited by the least available nutrient.
15 How many pounds of actual Nitrogen are in a 50 pound bag of fertilizer labeled
30-5-10?
False True or False: Use a combination of garden soil and compost when starting seeds
to acclimate the seedlings to their garden home.
above, below To preserve a plant's future growth, when removing a stem cutting, make a cut just
_ ____ a node on the plant. Then trim the cutting so that the bottom cut is just
_ ____ a node.
Air, Time, Mass, Moisture, Material What are the five variables in the Composting equation: C=ATM3
Host, Environment, Pathogen Name the three factors of the Disease Triangle.
True True or False: Bacteria are one celled organisms that absorb nutrients, survive
dormancy and reproduce by fission.
True True or False: Fungi cause 85% of plant diseases, but not all fungi are bad.
False True or False: There is a cure for the virus vectored disease rose rosette that
doesn't involve removing the entire plant.
abiotic Biotic or abiotic: Lack of nitrogen
biotic Biotic or abiotic: Nematodes
abiotic Biotic or abiotic: Air pollution
abiotic Biotic or abiotic: Temperature
biotic Biotic or abiotic: viruses
Master Gardener Program 2026 Comprehensive
Review with Questions, Verified Answers, and
Horticultural Rationales
Sand, silt, clay Place in order from largest to smallest particle size in the tree mineral
components of soil.
Hardening off What is the name of the process of gradually accilimating plants such as seedlings
and cuttings to the outdoor environment.
scarificaton The process of roughing up the seed coat before planting is called
, True True or False: You should thoroughly water a plant 24 hours before you take
cuttings.
25 - 30 to 1 What is the recommended ratio of Carbon to Nitrogen to use when you are
building a compost pile?
C, N, N, C A good compost is amixture of Brown(C)and Green(N) sources. There are many
possible items to compost. What do each of the following supply: Newspapers,
fresh grass clippings, coffee grounds, dried leaves.
2 When preparing a stem cutting for propagation, the goal is to have at least ________
nodes below the soil.
True True or False: pH of soil influences the availability of nutrients to plants. It is
important to know what a soil sample lacks because, regardless of the amount of
nutrients in the soil, a plant's growth is limited by the least available nutrient.
15 How many pounds of actual Nitrogen are in a 50 pound bag of fertilizer labeled
30-5-10?
False True or False: Use a combination of garden soil and compost when starting seeds
to acclimate the seedlings to their garden home.
above, below To preserve a plant's future growth, when removing a stem cutting, make a cut just
_ ____ a node on the plant. Then trim the cutting so that the bottom cut is just
_ ____ a node.
Air, Time, Mass, Moisture, Material What are the five variables in the Composting equation: C=ATM3
Host, Environment, Pathogen Name the three factors of the Disease Triangle.
True True or False: Bacteria are one celled organisms that absorb nutrients, survive
dormancy and reproduce by fission.
True True or False: Fungi cause 85% of plant diseases, but not all fungi are bad.
False True or False: There is a cure for the virus vectored disease rose rosette that
doesn't involve removing the entire plant.
abiotic Biotic or abiotic: Lack of nitrogen
biotic Biotic or abiotic: Nematodes
abiotic Biotic or abiotic: Air pollution
abiotic Biotic or abiotic: Temperature
biotic Biotic or abiotic: viruses
