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Cabbage, cauliflower and silverbeet can still be planted to stand the winter. Ground from which potatoes have been lifted recently is ideal for these crops.
Sprinkle blood and bone (100g per sqm) on the ground, and rain in May and June will wash it into the soil. Compost can also be spread where these hardy vegetables are to be grown.
Cauliflower heads can be damaged by rain and cold conditions as winter nears. Those maturing soon should be regularly checked and the outside leaves turned in on the centres, the curds, to help protect them and keep them white.
Celery sometimes shows leaf-spot at this time of the year and can be treated with a copper spray applied every 10 to 14 days.
Because they like cool, moist conditions, leeks usually will keep growing until June.
If soil is drawn up around the stems of Brussels sprouts, cabbage, cauliflower and broccoli as they grow, it will not only aid drainage for the plants during the winter, but also help prevent them being blown over in strong winds.
Asparagus beds are worth the effort, as these perennial vegetables will produce crops for 20 years or more. Keep the bed free of weeds but leave the plants' top growth until it yellows. While still green, the plants are manufacturing plant food and building up their crowns, from which strong, edible growths will be cut next spring.
This is a good time to apply well-rotted manure or compost into which chopped seaweed has been added.
Rose cuttings can be taken during the next few weeks with reasonable success. Some roses thrive only when budded on to a stock with a more vigorous root system, while others, particularly heritage varieties, grow readily from cuttings. Choose short side growths that have had a flower on them. Remove chosen pieces from the main stem, ideally with a heel of the older growth. Cut off the dead flower, remove all the leaves except the top two, and thoroughly soak a deep container of potting mix before inserting the cutting deeply.
An alternative method is layering: bending a low branch to the ground and pinning it in sandy soil after cutting just above the point where the tiniest bud is visible. Cover with more soil, water well and place a brick or heavy stone to hold the layered stem in place.
Autumn is the best time for planting soft fruits of the Rubus family (raspberries, blackberries, loganberries, marionberries, boysenberries and tayberries).
The loganberry, an American raspberry-blackberry cross, is named after its breeder, Judge J.H. Logan.
Boysenberries are also American and the raspberry-loganberry-Pacific blackberry hybrid is named after Rudolph Boysen, who bred it in the early 1920s, but it was Walter Knott (of Knott's Berry Farm) who made them famous. Tasman is a virtually thornless boysenberry variety.
The tayberry, developed in Scotland in 1962, is a loganberry-like blackberry-raspberry cross. The fruit is somewhat larger than a boysenberry and ripens earlier.
Waiau and Aspiring are popular red raspberry varieties, while two heritage raspberries, marketed as Ivory and Ebony, were commercially introduced in 2006. Ivory is pinkish-yellow in colour, Ebony very dark purple.