Eucalyptus 'Baby Blue'

Eucalyptus

Eucalyptus 'Baby Blue' is a fast-growing, fully hardy evergreen prized for its intensely silver-blue, aromatic juvenile foliage, equally valuable as a striking specimen tree or as a compact, hard-pruned foliage shrub for cutting.

Supplied as an established plant in a 3 litre pot

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Eucalyptus &

Aspect

Full sun

Hardiness

Fully hardy

Flowers

Late winter through spring

Soil

Loam, sand, chalk

About this plant

Silvery foliage, fast growth, a florist's favourite

  • Description

    Eucalyptus 'Baby Blue' is a fast-growing, evergreen tree or large shrub valued for its small, rounded, intensely silver-blue juvenile foliage, which it retains for considerably longer than many eucalyptus species, making it especially useful for foliage and cut-flower work. Aromatic when crushed, the foliage provides year-round structure and colour, and the plant has a naturally bushy, well-branched habit when grown as a shrub or pruned regularly, though it will develop into a substantial tree if left unchecked. It is widely grown both as a striking specimen plant and, when cut back hard annually, as a more compact foliage shrub for borders and large containers, and its silvery leaves are a popular choice for flower arranging.
  • Why we like it

    'Baby Blue' brings genuine year-round structure and that wonderful cool, silvery foliage colour to the garden, and it has the great advantage of retaining its attractive small, rounded juvenile leaves for far longer than many other eucalyptus, which tend to lose this charming foliage form as they mature. Whether you let it grow into a substantial specimen tree or, as many gardeners prefer, cut it back hard each spring to keep it as a manageable, bushy shrub, it rewards you with fast growth and an abundance of aromatic, silvery stems that are just as welcome in a vase indoors as they are in the garden.

Specs & details

The particulars

Botanical name
Eucalyptus 'Baby Blue'
Common name
Eucalyptus
Supplied as
3 litre pot
Flower colour
Green
Eventual height
300–600 cm if grown as a tree
Eventual spread
200–400 cm if grown as a tree
Flowering period
Late winter through spring
Habit
Fast-growing evergreen tree, or bushy multi-stemmed shrub if pruned hard annually
Life cycle
Evergreen tree or large shrub
Hardiness
Fully hardy
Aspect
Full sun
Soil type
Loam, sand, chalk
Moisture
Well-drained
Position
Specimen tree, mid-border (if pruned hard), cutting garden, large patio container (young plants only)
Plant spacing
Best grown as a specimen
Growing skill
Easy to grow, though regular hard pruning is needed to maintain a compact shrub habit and the best juvenile foliage

Plant calendar

When to plant, when it performs

 
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Planting
Flowering

Plant in late spring once the risk of frost has passed, giving the plant the longest possible growing season to establish strong roots before its first winter. If growing as a hard-pruned shrub, the main annual cut-back is carried out in spring as new growth begins.

Planting & care

Help it thrive

Planting guide

Choose a sheltered, sunny position with well-drained soil; Eucalyptus 'Baby Blue' does not tolerate waterlogged conditions, particularly while young. Plant in late spring, once the risk of frost has passed, to give the plant the maximum possible time to establish a strong root system before its first winter; this is more important for eucalyptus than for many other shrubs and trees, as poorly established plants are considerably more vulnerable to winter losses. Stake young plants loosely for the first year or two if grown in an exposed position, as the fast top growth can make them susceptible to wind rock before the roots are well anchored. Water in thoroughly and keep consistently moist through the first one to two growing seasons. If you intend to grow this as a compact, hard-pruned shrub for cutting, decide on this approach early, as the pruning regime should begin once the plant is well established rather than being introduced to an already mature specimen.

Care tips

If growing 'Baby Blue' as a specimen tree, little pruning is required beyond removing any dead, damaged, or crossing growth. If growing as a compact, bushy shrub for the best display of juvenile foliage and a manageable size, cut all the previous season's growth back hard each spring, to within 15–30 cm of the base, once new growth is just beginning to show; this hard annual pruning is what keeps the plant compact and ensures a continuous supply of the prized small, rounded juvenile leaves rather than the longer, more sickle-shaped mature foliage that develops on unpruned growth. Water young plants regularly through their first two growing seasons; established plants are drought-tolerant and need little supplementary watering. No routine feeding is necessary on reasonable soils. For cut foliage, harvest stems at any point through the growing season; the foliage is long-lasting in a vase, fresh or dried.

Winter care

Eucalyptus 'Baby Blue' is fully hardy in most parts of the UK once established, though young plants in their first one to two winters benefit from some protection in colder or more exposed gardens. A dry mulch around the base in autumn helps protect the roots through the first winter or two. No pruning is necessary for winter protection, as eucalyptus are evergreen and do not require the same autumn tidying as deciduous plants. If grown as a hard-pruned coppiced shrub, the main pruning is carried out in spring rather than autumn, so the plant retains its foliage through winter for interest before being cut back as new growth begins.