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Question Time 53!

September 8, 2026 · 22 min

Show notes

Brought to you by The Plant Runner, Keith and Elizabeth answer listener questions on phosphorus levels in wool-industry by-products, fast-growing screening plants, alkaline compost readings, camellias struggling in pots, vegetable garden design, moving Hardenbergia, sooty mould and cat-contaminated garden beds. The episode focuses on practical ways to choose plants, improve soil, manage pests and diseases, and design a productive, low-maintenance garden.

Plants recommended in episode

Grevillea spp - Take extra care with phosphorus levels, as grevilleas can be more phosphorus-sensitive than many other Australian natives.

Banksia spp - Another group to monitor when using products containing phosphorus.

-Syzygium australe ‘Straight and Narrow’ Recommended for dense screening; plant approximately 1.2 metres apart

-Escallonia ‘Iveyi’ - A non-native screening option with dark green foliage; plant approximately 1.2 metres apart.

- Viburnum odoratissimum - Suggested where a taller, wider screening plant is required; plant approximately 1.5 metres apart

- Cupressus ‘Arctic Green’ - Recommended for a tall, dense screen; plant approximately 2.2 metres apart.

- Camellia japonica- Planting in the ground is preferred to growing in pots in hot conditions.

- Espaliered fruit trees - Suggested for lining a redesigned vegetable garden.

- Pumpkins, cucumbers, zucchinis and melons - Recommended for growing over tunnels or archways between raised beds.

- Hardenbergia - Can be moved with care; prune it back by approximately one-third, retain as large a root ball as possible and replant promptly.

Products and gardening materials

MycoGold

Weed Gunnel

Clyde's Compost

Munash Rock Dust

ECO Neem

Eco Oil

Neutrog Popul8

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