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Bug Watch: Frangipani rust

Bug Watch: Frangipani rust

This is a fairly new disease (Coleosporium domingense syn C. plumeriae) in Australia. It is believed to have arrived from Florida in an infected frangipani cutting 15 years ago.

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Bug watch: Hawk moth caterpillar

Bug watch: Hawk moth caterpillar

This is the king of the autumn caterpillars, a voracious eater that grows into a sizeable creature up to 7cm longwith large spots along its body and a white-tipped spine at the end. It feeds on tender foliage, and can decimate a patch of impatiens or sweet potato in a couple of days. 

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Bug Watch: Lacebugs

Bug Watch: Lacebugs

Despite their name, Azalea lace bugs are also enemies of rhododendrons. Their attack is evidenced by widespread silvery mottling and sticky, brown patches on the underside of leaves. It’s best to spray now, at the beginning of the growing season.

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Bug watch: Lily caterpillar

Bug watch: Lily caterpillar

These voracious caterpillars can destroy a clump of clivias or other lilies in record time.

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Bug watch: Magnesium deficiency

Bug watch: Magnesium deficiency

When plants are low in magnesium, they move what they have from the old leaves to feed the new. Consequently older leaves begin to yellow from the sides to the centre.

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Bug watch: Peach leaf curl

Bug watch: Peach leaf curl

Peach leaf curl is a parasitic fungus that causes new leaves on peaches and nectarines to become disfigured. 

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Bug Watch: Powdery mildew

Bug Watch: Powdery mildew

Powdery mildew is a widespread fungus that is carried by the wind. It multiplies rapidly in high humidity so thrives in overcrowded garden beds where the air circulation is poor.

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Bug Watch: Thrips

Bug Watch: Thrips

Thrips suck and rasp at flower petals causing discolouration. 

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Bug Watch: Two spotted mite and azalea lace bug

Bug Watch: Two spotted mite and azalea lace bug

These two insects feed under the azalea leaves, causing a mottled discolouration on the topside of the leaves.

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Bugwatch: Scale

Bugwatch: Scale

Scale insects are some of the most common garden pests around. They attract other pests and suck the vigour from your plants, but they are easy to control and even easier to prevent.

 


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Cuttings from the Garden World

Cuttings from the Garden World

Here's what's happening  in the garden world this winter.

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Fettucine of Gete Okosomin Squash Brown Butter and Fennel Pollen

Fettucine of Gete Okosomin Squash Brown Butter and Fennel Pollen

Peter Gilmore’s delicious ‘fettuccini’ uses golden squash as both noodle and sauce in a dish that’s much easier than it looks.


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Frost Watch

Frost Watch

Frost-sensitive plants such as hibiscus, frangipani, passionfruit, citrus, deciduous fruit trees, and some vegetables can be adversely affected by frost. 

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How to plant a bare-rooted rose

How to plant a bare-rooted rose

It's easy to be seduced by the colour, forms and perfumes of roses, but not as easy to successfully grow them. Here Mez Woodward shows us how to plant your bare-rooted rose.

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How to: arrange flowers

How to: arrange flowers

In this edited extract from A Tree in the House, self-taught florist Annabelle Hickson shares her key tip for arranging flowers beautifully.


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How to: brew compost tea

How to: brew compost tea

When I was a child all our neighbours and friends had a large tub - generally an old enamel washing machine tub - buried close to the vegetable garden. This was the ‘brew’ tub. Ingredients for the brew - compost, manures and seaweed - were widely discussed and benefits widely acclaimed. And it turns out these gardeners were onto something!

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How to: clip balls

How to: clip balls

Plants clipped into balls add form and structure to the garden, and beautifully balance wilder, looser planting. The repetition of shapes develops rhythm which holds the garden together, while the contrast with other shrub shapes adds variety and interest.

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How to: cope with a deluge

How to: cope with a deluge

While subsoil drainage, such as drainage grates, gravel pits and sumps, are effective in light rain, heavy downpours overwhelm pipes and the water sheets across the landscape. Arno King has some tips top help cope when the heavens open up.

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How to: fix the lawn

How to: fix the lawn

Most warm-season grasses stop growing when the nights turn cold, allowing weeds to get a foothold while your attention has turned indoors. So now is the time to target terrors like bindii, wintergrass and dandelions and avoid seeding - and many years more weeding - before boosting growth for lush summer lawns.

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How to: fix the lawn

How to: fix the lawn

Most warm-season grasses stop growing when the nights turn cold, allowing weeds to get a foothold while your attention has turned indoors. So now is the time to target terrors like bindii, wintergrass and dandelions and avoid seeding - and many years more weeding.

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How to: fix your roses

How to: fix your roses

Many questions from radio callers to Garden Clinic on 2GB on the weekends involve roses. We feel your pain! These are our go-to fixes for six common rose problems.


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How to: fix your tomatoes

How to: fix your tomatoes

Fresh, vine-ripened tomatoes are one of the great joys of summer. The best way to ensure that your tomato-growing experience delivers baskets of delicious fruit is to keep plants healthy.

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How to: grow African violets

How to: grow African violets

African violets are treasured, long-lived indoor plants. Make them shine with these tips.


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How to: grow amazing geraniums

How to: grow amazing geraniums

The plants I'm talking about here are botanically speaking Pelargonium though commonly called geranium. True Geranium species are delicate-looking perennials, usually with blue flowers.

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How to: grow an edible hedge

How to: grow an edible hedge

Trade up from murraya and lillypilly to a hedge you can eat! These four flavoursome options tick the boxes for pretty, practical and productive.

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How to: growing vegetables from seed

How to: growing vegetables from seed

Planting punnets of vegetable seedlings is easy, but it is much more cost-effective and more fulfilling - not to mention offering wider choice and better results - to sow seed directly into the garden. The key is to sow plants suited to your climate, at the appropriate time of year.

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How to: Make Potting Mix

How to: Make Potting Mix

Plants in pots need the right nutrients, water, air and a quality potting mix to live happily ever after.

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How to: prune a camellia

How to: prune a camellia

Ken Lamb, Australia's master of Japanese pruning techniques, took to a historic, mature camellia at Retford Park as part of a three-day, hands-on workshop on creative pruning, held at the Southern Highlands National Trust property last winter. The camellia, an old japonica with a pendulous habit and flowers in both solid and variegated pink, had only ever been pruned to stop it intruding onto the driveway, and it now formed a solid wall of dark green, shutting off views to the house.

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How to: prune climbing roses

How to: prune climbing roses

The first thing to know about pruning climbing roses is not to do it in winter when you do your other roses. Here Robin Powell shares some of her other climbing rose insites

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How to: Strike a Queen of the Night cutting

How to: Strike a Queen of the Night cutting

For stunning contrast of texture and form, huge repeat flowering and fragrance to die for there is nothing quite like the Queen of the Night orchid cactus, a plant that is as easy to propagate from cuttings as it is to grow.


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How to: style balcony pots

How to: style balcony pots

To make a balcony feel like a garden it needs to surround you with plants. Somehow you have to get some plants up at eye level, and even above it. A small tree would be just the thing, but on most balconies a pot big enough to support a large plant is just too heavy once it’s filled with moist soil - and a tree! A more pragmatic approach is to arrange smaller pots at different levels. You need to get those pots up off the ground to really appreciate your balcony garden. Here are a few ideas.

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How to: use coconut peat

How to: use coconut peat

Need a lightweight, easily stored, highly effective potting medium? Look no further than this byproduct of coconut production, which has advantages for plants as well as gardners.

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In my kitchen garden: Camden, NSW

In my kitchen garden: Camden, NSW

Mickey Robertson’s kitchen garden at Glenmore House is as beautiful as it is productive, experimental and instructive.

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In the garden: August

In the garden: August

The winter show is packing it's bags and making way for spring. It's time to plant some potted colour, prune the perennials and clear out the compost

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In the Garden: Broughton Hall

In the Garden: Broughton Hall

Find out what David Musker is up to at Broughton Hall in Victoria

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In the Garden: February

In the Garden: February

Humidity in February is at it's summer peak. The garden will need a helping-hand to get through the next few weeks and into the cooler weather.

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In the Garden: January

In the Garden: January

Clip, snip, mow and trim. It's time for the post festive clean-up in the garden

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In the garden: July

In the garden: July

The winter chill is settling on the garden. It's time to enjoy winter flowers, sharpen up the pruning tools and get those spring bulbs in

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In the garden: March

In the garden: March

It’s time to get busy this march. Back by popular demand - our reminders of what to do in the garden this season.

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It's time to: August

It's time to: August

Get ready, spring will be here before we know it. It's time to get the last of those last-minute winter jobs done

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