Purpose

Typical Plants

Close Planting

Normal Distance

Allees - Trees

Open

Thorns

2 ft.

3 ft

Pleached

European Cork-barked Maple

1 ft.

1 1/2ft.

Annuals

Carpet Bedding

Alternanthera

3 in.

6 in.

Design Bedding

Snapdragons

6 in.

12 in.

Edgings

Alyssum

4 in.

6 in.

Broad-leaved Evergreens

Great Laurel

3 ft.

5 ft.

Hybrid Rhododendrons

2 1/2 ft.

3 1/2 ft.

Mountain Laurel

2 ft.

3 ft.

Mountain Fetterbush

1 1/2ft.

2 1/2 ft.

Japanese Azaleas

1 1/2ft.

2 ft.

Purpose

Typical Plants

Close Planting

Normal Distance

Bulbs and Tubers

Hyacinths

4 in.

6 in.

Tulips

4 in.

6 in.

Narcissi

4 in.

6 in.

Crocus

2 in.

3 in.

Squills

3 in.

4 in.

Chionodoxas

2 in.

Snowdrops

2 in.

Grape Hyacinths

3 in.

Anemones .

4 in.

6 in.

Bulbous Irises

4 in.

Lilies

12 in.

18 in.

Gladioli

2 in.

4 in.

Dahlias

2 ft.

3 ft.

Bush Fruits

Currants

4 ft.

6 ft.

Gooseberries

4 ft.

6 ft.

Red Raspberries

3 ft.

5 ft.

Black Raspberries

4 ft.

6 ft.

Blackberries

4 ft.

6 ft.

Dewberries

4 ft.

6 ft.

Ground Cover

Deciduous Vines

Hall's Honeysuckle

1 ft.

2 ft.

Evergreens

Japanese Spurge

6 in.

9 to 12 in.

Perennials

Moss Pink

9 in.

12 in.

Hedges

Low Sheared

Japanese Privet

Double Row

(staggered)

10 in.

12 in.

Single Row

8 in.

10 to 12 in.

High and Wide

Beech

1 1/2ft.

2 ft.

Herbaceous Perennials

Edgings

Carpathian Harebell

4 in.

6 in.

Low

Gold Tuft

9 in.

12 in.

Medium

Phloxes

12 in.

15 in.

Spreading

Peonies

18 in.

2 1/2 to 3 ft.

Tall

Larkspurs

12 in.

18 in.

Tall Slender

Chimney Bellflower

12 in.

15 in.

Kitchen Garden

Strawberries

1 1/2 ft.

2 ft.

Asparagus

1 1/2 ft.

3 ft.

Roses

Garden

Bush Roses

2 ft.

2 1/2 ft.

Garden

Hybrid Perpetual

2 ft.

2 1/2 ft.

Garden

Hybrid Tea

18 in.

2 ft.

Garden

Polyantha

9 in.

12 in.

On embankments

Dorothy Perkins

2 1/2ft.

3 to 4 ft.

On fences

Tausendschoen

8 ft.

10 to 15ft.

Purpose

Typical Plants

Close Planting

Normal Distance

Shrubs in Masses

Large

Morrow's Honeysuckle

3 ft.

4 to 5 ft.

Low

Japanese Barberry

2 ft.

2 1/2ft.

Medium

Van Houtte's Bridal Wreath

2 1/2 ft.

3 to 4 ft.

Street Trees

Large

Elms

30 ft.

50 ft.

Medium

Sugar Maple

25 ft.

40 ft.

Small

Pin Oak

25 ft.

35 ft.

Trees

Fruit trees

Standard Apples

30 ft.

40 ft.

Dwarf Apples

8 ft.

12 ft.

Standard Pears

16 ft.

20 ft.

Dwarf Pears

8 ft.

10 ft.

Plums

16 ft.

20 ft.

Peaches

16 ft.

20 ft.

Apricots

16 ft.

20 ft.

Sweet Cherries

16 ft.

24 ft.

Sour Cherries

16 ft.

20 ft.

Quinces

10 ft.

12 ft.

Groves

Oaks

20 ft.

25 to 35 ft.

Lawn specimens

Purple Beech

45 ft.

60 ft.

Vine (fruit)

Grapes

8 ft.

10 ft.

Vines

Climbers on walls

Boston Ivy

8 ft.

12 ft.

On embankments

Hall's Honeysuckle

2 1/2 ft.

3 1/2 ft.

Windbreaks (trees)

Hornbeams

5 ft.

8 ft.

Spruces

8 ft.

12 ft.