Horticulture CPH Exam with all Correct & 100% Verified
Answers |Latest Version |Already Graded A+
Which type of herbaceous ornamental plant is used for quick growth and early color in a garden
setting? ✔Correct Answer-non-woody plant, annual
You have an outdoor succulent, and it has become long and spindly. You suspect it needs more
sun. What else in combination would be suggested? ✔Correct Answer-pinch back the plant
On which sides of a house should broadleaf evergreens such as rhododendrons, azaleas,
camellia, and holly be planted to protect them from winter damage? ✔Correct Answer-north
or east
Using a knife to cut a root ball that is surrounded by a mass of roots prevents the formation of:
✔Correct Answer-girdling roots
5. Which of the 16 elements considered essential for plant growth are considered primary
nutrients? ✔Correct Answer-nitrogen, phosphorus, potassium (n-p-k)
Which factors are most likely to influence nutrient availability and impact growth? ✔Correct
Answer-water quality and pH
Which environmental factor had the greatest influence on water loss from plants? ✔Correct
Answer-weather
Which fertilizer would you select for slow-release application? ✔Correct Answer-urea form
What would be the most likely result of root pruning plants grown in the ground? ✔Correct
Answer-a compact root system
What is the first step in watering your plants with well water? ✔Correct Answer-pH test the
water
A garden center customer claims that their plants do not seem to be growing well and that
some leaves are purplish. The customer suggests a nutrient deficiency. Your best
recommendation would be: ✔Correct Answer-add a complete fertilizer high in phosphorus
What is the number one cause of death for plants growing in containers? ✔Correct Answer-
improper watering
What two plant care practices need to occur more frequently with hanging baskets than with
larger containers on the ground? ✔Correct Answer-watering and fertilizing
, Which growing requirements differ between plants grown in containers and those in landscape?
✔Correct Answer-fertilizer, watering, and growing media
You have just identified an accumulation of soluble salts and root desiccation in a customer's
container plant What is probable cause? ✔Correct Answer-improper fertilization
What irrigation problems could result from over-watering at the end of a container bed.
✔Correct Answer-leaching of nutrients
A properly functioning compost pile should be how many degrees? ✔Correct Answer-140 F
A customer in the garden department of a chain store explain that they want to start
composting their yard and household waste, but the compost starter inoculant is not available.
You tell them not to worry because... ✔Correct Answer-they can use any good garden soil as
the inoculant
Compost is ready when: ✔Correct Answer-the components are unrecognizable and the
temperature, of the compost and the air are similar.
Organic matter comes from decaying plants and animals as well as animal excretions, but also
includes: ✔Correct Answer-living organisms
An active compost with a pungent odor is an indication that the compost is not getting enough
✔Correct Answer-oxygen
What is the most effective and longest lasting source of organic matter? ✔Correct Answer-
compost
Why should indoor plants be potted in containers with holes in the bottom? ✔Correct
Answer-to permit excess water to drain
Which of the following are the common causes of plant disease on interior plants? ✔Correct
Answer-low light and too frequent watering
Most indoor plants are tropical. What practice should be followed by these plants during the
heating season? ✔Correct Answer-set pots in a shallow container of water on gravel kept wet
What are the most common indoor plant problems? ✔Correct Answer-aphids, whiteflies,
mites
Customers wish to beautify their home office with a collection of easy to maintain inexpensive
plants. They purchase several small ceramic containers into which the plants will be
transplanted. They seek your advice on potting this. You recommend they supplement the
Answers |Latest Version |Already Graded A+
Which type of herbaceous ornamental plant is used for quick growth and early color in a garden
setting? ✔Correct Answer-non-woody plant, annual
You have an outdoor succulent, and it has become long and spindly. You suspect it needs more
sun. What else in combination would be suggested? ✔Correct Answer-pinch back the plant
On which sides of a house should broadleaf evergreens such as rhododendrons, azaleas,
camellia, and holly be planted to protect them from winter damage? ✔Correct Answer-north
or east
Using a knife to cut a root ball that is surrounded by a mass of roots prevents the formation of:
✔Correct Answer-girdling roots
5. Which of the 16 elements considered essential for plant growth are considered primary
nutrients? ✔Correct Answer-nitrogen, phosphorus, potassium (n-p-k)
Which factors are most likely to influence nutrient availability and impact growth? ✔Correct
Answer-water quality and pH
Which environmental factor had the greatest influence on water loss from plants? ✔Correct
Answer-weather
Which fertilizer would you select for slow-release application? ✔Correct Answer-urea form
What would be the most likely result of root pruning plants grown in the ground? ✔Correct
Answer-a compact root system
What is the first step in watering your plants with well water? ✔Correct Answer-pH test the
water
A garden center customer claims that their plants do not seem to be growing well and that
some leaves are purplish. The customer suggests a nutrient deficiency. Your best
recommendation would be: ✔Correct Answer-add a complete fertilizer high in phosphorus
What is the number one cause of death for plants growing in containers? ✔Correct Answer-
improper watering
What two plant care practices need to occur more frequently with hanging baskets than with
larger containers on the ground? ✔Correct Answer-watering and fertilizing
, Which growing requirements differ between plants grown in containers and those in landscape?
✔Correct Answer-fertilizer, watering, and growing media
You have just identified an accumulation of soluble salts and root desiccation in a customer's
container plant What is probable cause? ✔Correct Answer-improper fertilization
What irrigation problems could result from over-watering at the end of a container bed.
✔Correct Answer-leaching of nutrients
A properly functioning compost pile should be how many degrees? ✔Correct Answer-140 F
A customer in the garden department of a chain store explain that they want to start
composting their yard and household waste, but the compost starter inoculant is not available.
You tell them not to worry because... ✔Correct Answer-they can use any good garden soil as
the inoculant
Compost is ready when: ✔Correct Answer-the components are unrecognizable and the
temperature, of the compost and the air are similar.
Organic matter comes from decaying plants and animals as well as animal excretions, but also
includes: ✔Correct Answer-living organisms
An active compost with a pungent odor is an indication that the compost is not getting enough
✔Correct Answer-oxygen
What is the most effective and longest lasting source of organic matter? ✔Correct Answer-
compost
Why should indoor plants be potted in containers with holes in the bottom? ✔Correct
Answer-to permit excess water to drain
Which of the following are the common causes of plant disease on interior plants? ✔Correct
Answer-low light and too frequent watering
Most indoor plants are tropical. What practice should be followed by these plants during the
heating season? ✔Correct Answer-set pots in a shallow container of water on gravel kept wet
What are the most common indoor plant problems? ✔Correct Answer-aphids, whiteflies,
mites
Customers wish to beautify their home office with a collection of easy to maintain inexpensive
plants. They purchase several small ceramic containers into which the plants will be
transplanted. They seek your advice on potting this. You recommend they supplement the
