Module 3

Delosperma cooperi. Image Source: SqueakyMarmot
Announcements

Learning Objectives

• Describe the ID characteristics of the plant species covered this week.
• Identify the strengths and weaknesses of this weeks plant species.
• Define the terms associated with plant species covered this week

Terms-to-Know

• succulent foliage
• flower spike
• frost tender
• raceme
• capsule
• rose hip

Hemerocallis hybrid. Image Source: Zanastardust

Plant List
AIZOACEAE
Delosperma cooperi - Ice Plant

ADOXACEAE
Sambucus canadensis - Elderberry*

ASTERACEAE
Achillea millefolium - Common Yarrow

CAPRIFOLIACEAE
Lonicera japonica - Japanese Honeysuckle

ERICACEAE
Rhododendron X satsuki - Gumpo Azalea

IRIDACEAE
Iris germanica - Bearded Iris

LAMIACEAE
Lamium maculatum 'Beacon Silver' - Dead Nettle
Lavandula angustifolia - Common Lavender

LILIACEAE
Hemerocallis hybrids - Daylily

ROSACEAE
Rosa pimpinellifolia 'Petite Pink' - Scotch Rose
Rosa rugosa - Rugosa Rose
Spirea japonica 'Little Princess' Japanese Spirea

SAXIFRAGACEAE
Itea virginica - Virginia Sweetspire*

*Indicates a native species for Western North Carolina

Reading Assignment

• pages in textbooks related to this weeks plant materials
• Review pictures of each species in Family Photo Album

Fruit (rose hips) of Rosa rugosa. Image Source: hr.icio

Study Questions (10 pts each, Answer in complete sentences)

1. It is important to understand that new uses for landscape plants are being experimented with all the time. One species we covered this week was tested as an alternative to turf. List the species and discuss the outcome of this experiment.
   
2. Delosperma cooperi is extremely well adapted to hot sunny sites. Discuss some of the features that give it an advantage in these locations.
3. Almost all daylilies for sale these days are the result of hybridization. What forces drove this hybridization? How many hybrids are there? What has been the impact on traditional daylily species.
4. Lamium is a genus that has a propensity to escape the garden. What are some morphological features that promote the potential invasiveness of this genus?
5. Describe the potential uses of Lavender in a landscape design.
6. Describe the optimum soil conditions for Virginia Sweetspire.
7. Why should Lonicera japonica be removed during landscape renovations?
8. Which of this weeks woody species could be used in areas where salt in the soil can be a problem?
9. What are some of the problems with using Sambucus canadensis in the home landscape?
10. 50 years ago Spirea was a popular landscape plant. Do some research and suggest reasons why it has declined in popularity with some designers.
    

Extra Credit (Define the following terms, +1 for each correct definition)

• spirea
• itea
• angustifolia

Gumpo Azalea in bloom. Image Source: KaCey97007