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Posted on Apr 5, 2013 in Plant bios | 0 comments

Ornamentals

Ornamentals

A guide to the ornamentals growing on my small north/west facing block in southern Sydney, Australia. Information detailed includes: plant requirements, location, growth rates, harvest times, noted issues, pests and disease problems. A photo log of all plants and their progress is also included at the bottom of the page.

WILD IRIS

Names

  • Common: Wild Iris
  • Botanical: Deities Grandiflora

Description

  • Plant style: Height and width 70cm. Tolerant of a range of conditions, Hardy and low maintenance. Strappy grass like foliage.
  • Propagation: By division.

Care and maintenance

  • Soil: Tolerates poor soil and dry conditions, but does prefer well-drained soil.
  • Water: Drought resistant.
  • Position and light: Grows well in full sun to heavily shaded positions, but prefers a brightly-lit position without direct sunlight.
  • Pruning: Remove flowers stems once the plant has finished flowering. Cut back leaves as required.

Pests and diseases

None noted.

VIBURNUM

Names

  • Common: Viburnum
  • Botanical: Viburnum Tinus

Description

  • Plant style: Large shrub to 3mtrs with small green leaves and small white flowers in clusters.
  • Leaves: Small, green
  • Flowers: Small white and in clusters.
  • Location: Front garden hedge.

Care and maintenance

  • Water: Drought tolerant
  • Position and light: Full sun to part shade.
  • Pruning: Prune to shape and keep bushy.
  • Fertiliser: Fertilize with a low-nitrogen, high-potassium (i.e. do not use dynamic lifter of Rooster Booster fertilizer) to maintain their vigor.

Pests and diseases

PONYTAIL PALM

Ponytail palm

Names

  • Common: Ponytail Palm
  • Botanical:

Description

  • Flowers: In flower late Feb 2012 for the first time.
  • Propagation: From pups or if female plant (identified by red berries after flowering) with seed.
  • Age: Approx. 20 years

Care and maintenance

  • Water: Drought tolerant
  • Position and light: Full sun
  • Pruning: Only to remove dead leaves

BLUE DANUBE ageratum

Names

  • Common: Blue Danube ageratum
  • Botanical: Ageratum houstonianum

Description

AgeratumAn easy-to-grow annual and an old-fashioned favorite that produces a steady show of colorful powder-puff like flowers from late spring through frost. It’s also rarely bothered by pests, so you count on it to look good.

  • Sow seeds: Plant in spring after all danger of frost has passed.
  • Flowers: Blooms all summer and into autumn.

Care and maintenance

  • Water: Drought tolerant
  • Position and light: Full sun. Planted at front entrance.
  • Pruning: Deadhead flowers regularly
  • Fertiliser:
  • Propagation: seeds (collected in July 2013).

SACRED LILLY OF THE INCAS

Sacred lilly of the IncasSacred lilly of the IncasSacred lilly of the Incas

Names

  • Common: Sacred Lilly of the Incas. Also: Spider Lily, Peruvian daffodil’, ‘Ismene’ and sometimes Sea daffodil
  • Botanical: Hymenocallis x festalis

Description

Lush, glossy green foliage, with white spider-like flowers. They will clump well if left undisturbed for at least 3-4 years. Also for large pots and tubs

  • Plant Type: Bulb
  • Location: Nature strip & front garden beds
  • Bloom Time: Early December (in full flower at Christmas)

Care and maintenance

  • Water: Water weekly in summer. Do not water whilst dormant or when entering dormancy
  • Position and light: Full sun/Part shade
  • Pruning: Let plants die back naturally to feed the bulb for next years flowers

Pests and disease

Generally pest and disease free. Watch for snails.

ORNAMENTAL PEAR

Ornamental CherryOrnamental Pear 2013Ornamental Pear 2013

Names

  • Common: Ornamental Pear
  • Botanical: Pyrus calleryana

Description

  • Plant Type: Deciduous tree
  • Location: Planted at front entrance
  • Bloom Time: Blooms start first week of August 2013

Care and maintenance

  • Water: Drought tolerant
  • Position and light: Full sun
  • Pruning: Normal pruning for shape and to remove cross branches and dead branches. Best done when dormant.

Pests and disease

Each year the trees develop a fungal disease which causes early leaf drop. Possibly shot hole. Is difficult to manage. Have tried dormant sprays of lime-sulpher and Mancozeb to no avail. Raking up leaves is not practical. Am not watering leaves. Disease seems a little more delayed with each year.

Ornamentals
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