Unit 24: Shrubs and Trees

During and after planting the growing medium should be...?

- about 3/4 inch down from the top of the container - watered well to settle it around the plant roots - firmed around the plant

The best site or growing area for container plants is one that...?

- has a flat, gentle slope - close to a good water supply - has a good windbreak

A new fabric pot for growing trees in the field results in...?

- more compact and fibrous root system - easier digging of trees - reduced labor costs

Container plants may be protected from winter cold by..?

- placing them in plastic-covered greenhouses - covering them with straw and plastic film - using a thermo-blanket to cover them

When a container is too small for the plant growing in it...?

- plant should be sold or moved into a larger container - plant roots will circle around the container sides - plant may turn brown and start to die

List five types of plants that are grown in containers.

1.) Herbaceous Perennials 2.) Vines 3.) Ground Cover 4.) Broad-leaf Evergreen Shrubs 5.) Narrow-leaf Evergreen Shrubs

List five container-grown plants whose roots are killed when the temperatures reaches 15F (-9.4C).

1.) Japanese Maple 2.) Winter Creeper Euonymus 3.) Baltic English Ivy 4.) Mt. Laurel 5.) Periwinkle

List 10 things a good growing medium must provide.

1.) good drainage 2.) be porous for good aeration 3.) hold moisture well 4.) hold plant nutrients 5.) proper pH range 6.) sterile 7.) economical and easily obtained 8.) consistent in quality 9.) good root development 10.) transplant well to the soil in plant's permanent location

List three disadvantages of growing plants in containers.

1.) initial cost of getting established is higher 2.) more water required 3.) if left in containers, develop a circular, pot-bound root system

List four advantages of growing plants in containers.

1.) more plants can be grown in same area 2.) growing medium is usually sterilized 3.) medium usually lighter in soil, easier to haul larger loads 4.) more uniform plant growth

Balling

a process of forming a root ball on the plant for transplanting

The best disease control program is started with...?

a sterile planting medium and a sanitary site and container

Fertilizer or plant food added to plant growing mixed must be...?

added after soil pasteurization by heat

Windbreaks

any natural or man-made screen to show wind speed

A watering schedule should be set up for container plants...?

but only by examining containers by hand can the exact time to water be determined

In growing areas with cold winter temperatures (below 20F) ..?

container-plant roots are damaged most by cold

Lath or shade fabric is used to shade plans. This shading protects the plant from...?

drying out and burning of foliage in the summer and winter

When a granular fertilizers are used, the program is started at the beginning of the growing season and repeated...?

every eight (8) weeks

Container growing of plants may be defined as...?

growing a plant to marketable size in a container

If not seriously pot-bound, container-grown plants transplant easily. Pot-bound plants should...?

have the roots pulled out of the root ball and placed into the soil

To pasteurize a container mix, it must be..?

heated to 180F for 30 minutes

The initial cost of getting established in container growing of plants is...?

higher than the cost for field growing of plants

Durability

length of use or how long something like a container will last

Site

location or growing area

Fertilizers may be applied to container-grown plants using several methods. The newer, slow-release fertilizers are used two ways:

mixed in the planting medium and as a top dressing in the container

Plants need ___?___ water when in bloom.

more

To grow plants in containers (as compared with field growing) ___?___ irrigation of water is required.

more

A small container will need to be watered ___?___ a large container.

more than often

Aeration

movement of air into and through the soil

The American Association of Nurserymen sets up standards for nursery stock including container-grown plants. When a container plant reaches the size specified in the standards chart, the plant..?

must either be sold or transplanted to a bigger container

pot-in-pot

nursery practice of growing trees in containers by setting one container into a larger one in the ground to hold the plant and container

Select the method most often used for watering container plants.

overhead irrigation

Liquid fertilizer may be applied through the irrigation system if...?

plants are watered by hand or with trickle tube irrigation

Growers who grow a variety of plants generally use at least two different kinds of growing media or mixes to.?

provide proper pH for different plants

Herbaceous

refers to succulent plants, usually annuals, that are not as woody as perennials or shrubs

A windbreak will slow the wind and is considered effective for a distance of about..?

seven times its height

Container-grown plants are pruned to...?

shape the plant or make it grow compactly

A new copper chemical, Spin Out, is used to...?

stop plant roots from circling the inside of the pot

Insulation Value

this is known as the R-value; to prevent the movement or loss of heat

The watering system that uses the least amount of water is...?

trickle tube

Once container plants are placed in the growing bed, ___?___ becomes the most important consideration.

watering

Ideal spacing of container plants for continued growth is...?

where the ends of branches almost touch the plant next to them