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ROCK
GARDENS
These
can come in many forms - the classic alpine replication; plantings in and around
a rock wall or old foundation or a constructed garden often with small ponds and
running water. Though usually in sunny area there are small shade lovers
that would work well in a rocky, wooded area. When choosing a location,
avoid a southern exposure. The shallow roots of these plants can easily
dry out in the intense heat of summer. Remember that alpine plants are
native much higher elevation and cooler temperatures. If you're planting a
large area, consider using some dwarf shrubs, taller perennials or grasses and
large rocks to establish the foundation of the garden.
Maintaining your rock garden
is not much different than caring for any garden. Check the plants in
early spring for frost heaving. Again the shallow roots can easily be push
out of the ground and dry out. Also look for air pockets that may develop
as dirt settles in around rocks and crevices. A light application of
fertilizer in early spring will be helpful. Many of the spring bloomer can
get leggy during the summer. You can avoid this by cutting the branches back to encourage
new growth and a more compact appearance. If the garden is exposed to
winter winds you may want to cover it with evergreen branches - cut up your Christmas
tree - for added protection.
Botanical
Name
Common name
Light
Size
Season
Color
| Ajania
pacifica |
Gold and Silver |
part sun |
12" |
sept/oct |
yellow |
| Anenome
pulsatilla 'Rubra' |
Pasque Flower |
part sun |
10" |
april/may |
red |
| Aquilegia
'Bedermeier' |
Columbine |
part sun |
8"-10" |
may/june |
red |
| Arabis
cauc. 'Snowcap' |
Rock Cress |
sun |
6" |
april/may |
white |
| Arenaria
montana |
Sandwort |
part sun |
5" |
may/june |
white |
| Armeria
splendins |
Thrift |
sun |
8" |
may/june |
pink |
| Aubrietta |
Purple Rock
Cress |
part sun |
6" |
april/may |
purple |
| Aurina
sax. 'Compacta' |
Basket of Gold |
part sun |
8" |
april/may |
yellow |
| Dianthus
'Spring Beauty' |
Pinks |
sun |
15" |
may/june |
pink |
| Fragaria
'Improved Rugen' |
Alpine
Strawberry |
sun |
6" |
may/june |
white |
| Carex hachi. 'Evergold' |
Sedge |
part sun |
12" |
all |
variegated |
| Pennisetum alop.
'Little Bunny' |
Fountain Grass |
sun |
12" |
all |
green/brown |
| Gentiana
andrewsii |
Andrews Gentian |
part sun |
6" |
april/may |
blue |
| Geranium 'Biokova
Karmina' |
Cranesbill |
part sun |
8" |
may/june |
rose |
| Geranium
cantabrig.'Biokova' |
Cranesbill |
sun |
8" |
may/june |
white |
| Iberis
sempervirens |
Candy Tuft |
sun |
12" |
april/may |
white |
| Papaver alpinus |
Alpine Poppy |
sun |
10" |
june/july |
white |
| Phlox sub.
'Pink Ridge' |
Creeping Phlox |
sun |
5" |
april/may |
pink |
| Saponaria 'Max
Frei' |
Rock Soapwort |
sun |
12" |
july/aug |
pink |
| Sedum 'Dragon's
Blood' |
Stonecrop |
sun |
4" |
july/aug |
red |
| Sempervivum |
Hens &
Chicks |
sun |
3" |
all |
green |
| Stachys species |
Lamb's Ear |
sun |
8" |
july/aug |
blue |
| Veronica alpina
'Alba' |
Speedwell |
part sun |
10" |
june/july |
white |
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