ABS 360 Southwest Home Gardening
Study Guide-Bedding Plants and Landscape Color
The climate of Arizona definitely influences what types of flowering
herbaceous plants are grown and when we can grow them. Unlike more
temperate climates, we can grow flowering herbaceous plants during our
winter (cool-season plants) but other flowering plants can only be grown
in the spring/summer (warm-season plants). For this topic, review the
readings and watch the videos in order to be able to answer the following
study guide questions before taking the topic quiz.
1. Which colors are warm colors and which colors are cool colors? Red,
orange, yellow warm, green blue and purple cool What effects do
they have when seen in a landscape garden? Cool makes yard seem
cooler and more inviting in the summer, warm can add excitement,
hot colors appear to be closer than cool so put cool in the back
2. What is the difference between monochromatic, analogous,
complementary, and polychromatic color combinations in a
landscape? What are their effects on people?
3. What are annual,-complete their life cycle- vegetative plant, bloom,
setting seed, death of the plant in one growing season, usually need
to be replanted every year, sometimes resow themselves biennial-
grow vegetatitively in their first year, flower in 2nd, and die after
flowering and perennial plants? – live more than 2 yrs, once
established bloom each year, some die back into ground in off
season or retain foliage yr round, off seasons- intense heat or colder
witer
4. What is a bedding plant?- small landscape plant that are generally
grouped together very closely to provide a vibrant What are the
growth habit and life cycle characteristics of bedding plants?-
generally annual but can be biennial or perennial
5. What are warm season and cool season bedding plants?
Warm-transplanted into late april, grow until late august, few can
withstand heat, periwinkle, star clusters, Mexican sinnia, angelonia
Cool- tansplabted in oct and grow until april, many more, pansy,
petunia, geranium, marigold, pot marigold, snapdragon
6. What time of year are they planted and grown in the Phoenix area?
Warm season and cool season
7. What should one look for when purchasing bedding plants at a local
plant nursery?
8. What is the most important cultural practice that needs to be done
when planting bedding plants in to a landscape garden site?
Organic matter, amending 8-10 inches,
9. What two things determines the proper spacing between plants for
bedding plants?
Proper spacing interval, transplanting them close together will cause
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ABS 360 Southwest Home Gardening
them to grow close together creating a canopy
10.How often should bedding plants be watered?
More often than landscape shrubs/trees, cool irrigated every 2-3 day,
warm- every other day to every day, in the morning
11.What kinds of fertilizers should be used and when should bedding
plants be fertilized?
Optimally rich in plant nutrients, complete fertilizer, soils should be
fertilized once when you plant, and again after 3 months
12.What are the two most common problems when culturing bedding
plants in a landscape garden? What are the most sustainable
practices for eradicating them?
Adding too much fertilizer will cause salt burn n the leaves flowers
and roots
Bedding plants mentioned in this video are listed below.
Warm Season
Periwinkle (Catharanthus roseus)
Star clusters (Pentas lanceolata)
Mexican zinnia (Zinnia haagaena)
Angelonia (Angelonia angustifolia)
Cool Season
Pansy (Viola wittrockiana)
Petunia (Petunia hybrid)
Marigold (Tagetes species)
Pot marigold (Calendula officinialis)
Snapdragon (Antirrhinim majus)
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