Understanding Garden Plants -Alpine And Rock Garden Flashcards

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1
Q

Rock garden - summer

A
Thymus silver queen 
Sempervivum red Ace / red beauty / red heart 
Saxifraga x urbium 
Helianthus nummularium 
Dianthus alpinus
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2
Q

Rock garden - spring

A

Sedum acre
Pulsatilla vulgaris
Aubrieta astrolat

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3
Q

Characteristics of true alpine

A

Low growing

Adaptation of leaves - small/hairy/succulent/silvery

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4
Q

Other plants suitable for rockery

A

Dwarf conifers and bulbs

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5
Q

Soil requirements for alpine plants/rockery

A

Free draining
Low nutrient content
Free from weeds/pest/disease

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6
Q

Preparation of an area for rockery

A

Get rid of weeds
Get good drainage maybe by digging out topsoil and adding a layer of rubble/hardcore. Sand for heavy clay.
Place rocks irregularly starting from front and working up tilting them slightly backwards

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7
Q

Creating an alpine trough

A

Made from stone/ reconstituted stone/ cement / hypertufa
50%compost 50%grit
Layer of grit in the bottom then compost then plant then mulch with layer of grit or gravel

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8
Q

What is hypertufa

A

Mixture of sand/cement/peat

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9
Q

Maintenance of rock garden

A

Watering not really necessary except in long periods without rain
Trim in autumn to keep compact
Keep weeds down
Look out for pests such as slugs and snails
Diseases such as grey mould

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