Lawns,Alpine,Aquatics.

Question 1

Name a lawn seed for a HQ lawn

Answer 1

Agrostis capillaris (RHS must spieces)
Festuca ruba sub commutata

Question 2

Name a seed suitable for a utility lawn

Answer 2

Lolium perenne (RHS must have)
Festuca ruba ruba

Question 3

Name a seed for a shade lawn

Answer 3

Festuca ruba ruba (RHS must)

Lolium perenne

Question 4

Name three diseases affecting lawns

Answer 4

Red Thread
Fairy rings
Fusarium patch

Question 5

When should lawns be scarifyed?

Answer 5

Spring (March - April)

Autumn (September - November)

Question 6

State five distinct benefits and five limitations of establishing a lawn from turf.

Answer 6

Benefits:

1: Instant impact
2: The lawn can be walked on within a few days.
3: Can be carrying out at any time of year.
4: Avoids problems germinating seeds:
5: Less rigorous standard of bed prep required.

Limitations:

1: More expensive than seed.
2: Heavy and physically demanding to lay.
3: Less choice of grass speices mixes
4: Harder to turf complex shapes on site.
5: Less sustainable than seed due to transport costs.

Question 7

Explain what is meant by the following:

1: True alpine
2: Rock garden plants

Answer 7

1: True alpine plant grow above the tree line at 1,830 meters in mountainous regions.
2: Compact and low growing, can be alpine but may not be but look appropriate in a rock garden.

Question 8

Name two distinct alpine and rock garden plants for the following.

1: Spring display
2: Summer display

Answer 8

1: Saxifrage oppositifilia, Iris reticulata, Primula auricular, Sempervivum “Rubin”
2: Dianthus alpinus, Sedum spurium, Aster alpinus, Hypericum olympicum.

Question 9

Name two distinct methods of providing winter protection for alpine plants.

Answer 9

1: Move to an alpine glass house, unseated but with good air flow.
2: Construct a polycarbonate cover over the plants.
3: Place an open ended cloche over the plants.

Question 10

Describe how to plant a names deep water aquatic plant in an aquatic basket ( Not including potting)

Answer 10

Plant: Nymphaea alba

1: Planted on raised blocks
2: The foliage of the plant should be able to float on the surface.
3: Use rope or strings used by toe people to avoid entering the water.

Question 11

State five maintenance tasks carried out on marginal plants in a garden.

Answer 11

1: Control of weeds by pulling them by hand.
2: Control of pests and disease e.g spraying off aphids with water or hand removal.
3: Lifting and dividing or repotting.
4: Dead heading a removing spent flower heads.
5: Trimming back and removal of vegetation.