Best plants for periodic wet and dry conditions, and where to buy them online in Australia

Best plants for periodic wet and dry conditions, and where to buy them online in Australia

Many Australian sites swing between saturated soil and drought. In mediterranean climates like Perth, it’s hot and dry in summer and cool and wet in winter. Meanwhile, in subtropical Brisbane, some summers will be hot and wet while other summers will be hot and dry. Plants that survive only one extreme often fail; the plants in this list are almost bulletproof in most Australian climates, surviving heat, cold, humidity, flooding, drought, all in positions that lack adequate drainage and irrigation.

If you’re looking for some of the toughest plants available to purchase online in Australia that can tolerate almost anything that the climate can throw at them with minimal intervention or maintenance, this guide was written for you.

What to look for

  • Adaptability to weather extremes
  • Root systems that cope with oxygen loss
  • Plants that look as good as possible when conditions are unfavourable

Proven performers

Callistemon viminalis ‘LJ1’ PBR Trade Name Better John™

Better John

Soft blue-green dense foliage; very compact native shrub; vibrant red flowers

  • Australian Plants Online: Tubestock; $6.55. https://www.australianplantsonline.com.au/callistemon-better-john.html

Callistemon viminalis ‘LJ23PBR Trade Name Green John™ 

Lime-green new growth; bushy, fast to establish; small and compact

  • Australian Plants Online: Tubestock; $6.55. https://www.australianplantsonline.com.au/callistemon-green-john.html
  • The Plant Cellar: Pot; From $5.90. https://theplantcellar.com.au/product/callistemon-green-john

Callistemon viminalis ‘LC01PBR Trade Name Macarthur™ 

Macarthur

Hybrid bottlebrush blending Little John and Captain Cook; bushy shrub with abundant red flowers

Callistemon viminalis CV01PBR Trade Name Slim™

Slim

Narrow-growing tall bottlebrush; ideal for driveways and narrow beds

Dianella caerulea ‘DCNC3’ PBR Trade Name Baby Breeze™

Baby Breeze

Suitable for mid to upper slopes of periodic wet areas. Spreads with runners to fill gaps. Dwarf form of Breeze® flax lily; mat-forming and weed-suppressing with blue flowers

Westringia fruticosa ‘WES04’ PBR Trade Name Grey Box™

Award-winning dwarf coastal rosemary forming a perfect compact ball of silvery-grey foliage with white flowers; requires no clipping

Westringia fruticosa ‘WES05’ PBR Trade Name Mundi™

Mundi

Low-growing trailing Westringia forming a dense groundcover; ideal for slopes and banks; hardy and drought tolerant

Liriope muscari ‘LIRTP’ PBR Trade Name Amethyst™ 

Richly coloured foliage with brilliant purple flower spikes

Liriope muscari ‘LIRF’ PBR Trade Name Isabella® 

Isabella

Lawn-alternative lily turf; mow once a year; suited to sun or shade

Liriope muscari ‘LIRJ’ PBR Trade Name Just Right® 

Just Right

Hardy, consistent rich-green lily turf; easy care and drought tolerant

Lomandra labill. ‘LM600’ PBR Trade Name Evergreen Baby™

Evergreen Baby

Dense compact Lomandra with fine foliage; hardy and tolerant of drought and wet soil (non-humid regions preferred)

Lomandra hystrix ‘LHBYF’ PBR Trade Name Katie Belles™

Katie Belles

Tall Lomandra longifolia with graceful weeping foliage and large fragrant flower spikes; ideal feature or mass planting

Lomandra longifolia ‘LM360’ PBR Trade Name Lady Tanika®

Lady Tanika

Dwarf form of Tanika; neat clumping green foliage; sterile and disease-resistant

Lomandra fluviatilis ‘LM380’ PBR Trade Name Shara Blue™

Shara Blue

Blue-green version of Shara; compact erosion-control habit; resilient in exposed or wet sites

Lomandra fluviatilis ‘ABU7’ PBR Trade Name Shara™

Compact Lomandra with very fine leaves; ideal for erosion control and humid or wet soils

Lomandra hystrix ‘LHWP’ PBR Trade Name Tropic Cascade™

Mid-sized Lomandra hystrix with weeping deep-green foliage and fragrant yellow flowers; suits wet or dry soils

Cenchrus purpurascens ‘PA300’ Trade Name Nafray®

Nafray

Non‑invasive native grass with fine texture; drought tolerant and showy plumes

Rhaphiolepis Cosmic Pink

Cosmic Pink

Dwarf Indian Hawthorn with profuse pink flowers and hardy evergreen foliage; ideal for hedges or foundation plantings

Rhaphiolepis Cosmic White™

Cosmic White

Improved Indian Hawthorn with large pure-white flowers and disease-resistant foliage

Zoysia native hybrid ‘ZOY01’ PBR Trade Name Ozbreed Zen Grass®

Zen Grass

Remarkably resilient in periodic flooding through trials in NSW, included in this list for lawn areas that get a bit boggy from time to time. Fine, dense native turf grass; low mounding habit and very low maintenance (1-2 mows per year); ideal lawn alternative

Buyer takeaway

Plants that tolerate fluctuation reduce replacement costs and long-term maintenance. If you’re looking for dependable plants that can not only tolerate wet feet and poor drainage, but also thrive through the inevitable dry periods as well, the above plants were curated to help you buy the right plants online.

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