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Blue Spruce in the GardenTags plant encyclopedia

Picea pungens

 

Blue Spruce

Spruce trees are evergreen conifers with needles, rather than leaves. The needles of a spruce can be identified by being attached individually to the twig, and they are 4-sided, and can be rolled between your fingers. 'Blue Spruce' has good Christmas tree shape, and silvery-blue foliage

Contributed by @columbiariver

 
plant Features
  • Blue Spruce likes full sun

    Full sun

  • Blue Spruce likes occasional watering

    Occasional watering

  • Blue Spruce is full frost hardy: 5f (-15°c)

    Full Frost Hardy: 5F (-15°C)

  • Blue Spruce likes free draining and fertile

    Free draining and fertile

 
plant information

Common name

Blue Spruce

Latin name

Picea pungens

type

Coniferous tree

family

Pinaceae

ph

5.0 - 7.0 Acid - Neutral

  • Light

    Blue Spruce likes full sun

    Full sun

  • Frost

    Blue Spruce is full frost hardy: 5f (-15°c)

    Full Frost Hardy: 5F (-15°C)

  • Soil

    Blue Spruce likes free draining and fertile

    Free draining and fertile

  • Water

    Blue Spruce likes occasional watering

    Occasional watering

Plant & bloom calendar

  •  
    Best time to plant

full grown dimensions

The size of a fully grown Blue Spruce is 10.00meters x 20.00meters 10.00 M 20.00 M

Picea pungens

Spruce trees are evergreen conifers with needles, rather than leaves. The needles of a spruce can be identified by being attached individually to the twig, and they are 4-sided, and can be rolled between your fingers. 'Blue Spruce' has good Christmas tree shape, and silvery-blue foliage


Planting Season (Autumn)

From Mid Autumn TO Late Autumn

Plant out container grown plants in mid to late Autumn. Choose a partially shady, or full sun, site in acid soil

 

Propagate by Seed

From Early Spring TO Mid Spring

Collect cones from a spruce tree, and leave to dry in a paper bag until the seeds fall out. Store the seeds in a plastic bag in your freezer until mid Spring, when you should take them out of the freezer and soak the seeds in water for 24 hrs., then wrap the seeds in some kitchen paper and refrigerate them for 6 weeks. After this, germinate the seeds by placing them on wet kitchen paper, cover them with plastic, and check daily to make sure the kitchen towel is wet. The seeds should germinate within 3 weeks. Transfer the germinated seeds carefully (using tweezers to handle them) into CLEAN pots 3/4 filled with potting compost (preferably ericaceous). Place the seedlings on top of the compost and then carefully cover them with sand.Place the pt in indirect sunlight, keep the soil moist - not wet - until the seedlings are big enough to plant outside. Harden them off by putting the pot outdoors daily for a few days to acclimatise them.

 
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