Gardening in Waitaki

Gardening in Waitaki
Weekly garden blog

Tuesday, December 11, 2018

Gardening in North Otago December 12th 2018




philadelphus (mock orange), mingonette and Lupins

Super plant comfrey   

Still overcast, damp days as I write this so like me most will have been busy with end of year work, School and after School actvivies to be part of rather than  plodding around dripping plants, mud and wet feet and with the Christmas lead up I am sure gardening will be on the back burner for most, including me. However if it does brighten up there will be the last minute clean up to take care of. Trimming with secateurs is not practical for me with such a large garden so the hedge trimmer will be out again when dry, the grow back rate is pretty quick in early summer so dont be afraid to take hedges well back if needed. Newly trimmed box hedges will suffer from sun scorch as days become warmer, but they soon grow through it and harden off to a lush green again.
If your catmint has been flowering for a while and it is looking a bit tired, trim well back and in no time at all it will re-grow into a neater clump and continue to flower, this applies to all spring flowering ground covers.
By now we will be able to see winter damage and dead branches needing removed on trees, and where low branches are keeping light from gardens. Maples, pin oaks, ashes and the native hoheria (lace bark)  put out so much growth here every spring needing many lower branches cut back or removed altogether to allow in light needed by plants and shrubs growing below to bud and flower.
Lilies: Large clumps of lilies can be divided up and shifted straight after flowering, plant into good compost, keep an eye on them through the dryer months they will not tolerate being dry long. It takes ages for lilies to grow from seed and little pup bulbs so they are worth looking after, I have had clumps of Christmas lilies completely disappear through soil dryness.
Comfrey liquid fertiliser: I must again sing the praises of comfrey, with its deep taproot, and large root system, comfrey pulls up nutrients from way down in the subsoil, where most other plants can't reach. Comfrey is high in just about every nutrient a plant needs, including the big 3, Nitrogen, Phosphorus and Potassium and many trace elements. Its high carbon to nitrogen value means that it does not deplete nitrogen from the soil, as it decomposes. In fact, it becomes a good source of nitrogen containing more potassium than composted manure.
Comfrey leaves can be cut and spread around plants or decomposed down to a black liquid, for this cut leaves off at ground level, break up and place in the bottom of a large plastic container, cover with water and weigh down with a rock. Within 6 to 8 weeks the leaves will have decomposed into a thick  black smelly liquid. Strain and Dilute, 1 part comfrey liquid to 15 parts water, dilute more when using on seedlings. You will not need to spend money on plant food again, ( let me know if you would like a comfrey section to start a patch)
Garden Mulch: I noticed a good amount of well cooked clean, black garden mulch being offered at our Recourse recovery park, this is just right for keeping weeds down and retaining moisture around trees and shrubs. A scoop = 1/3 cubic metre $7.50 and a full bag $4.00 as well as trailer loads. The Recourse Recovery park will be closed only the following days during the festive season, Christmas day, Boxing day and New years day.
Lawns: If you don't like using sprays and have a few flat weeds in the lawn try spot spraying them with vinegar, it also works great on pathways and drives leaving no dangerous residue to leach into nearby plants . For best results apply in the heat of the day. Lawn spray is needed for clover, vinegar browns the leaf off and knocks it a bit but it soon recovers.
Vegetables: Sow late crops of cucumbers, courgettes, beans, basil, peas, rocket and corriander. Keep mounding up potato rows to encourage bigger shores, corn also as they have a shallow rooting system, mounding helps to keep them upright in strong winds, planting corn in groups rather than a row also helps with wind support.
Fruit is late to ripen with the lack of sun filled days and damp dull days lead to fungus and rot for strawberries, removing effected strawberries will stop the spread. 
Grapes: Shorten back fruiting leaders on grape vines, If a leader has produced too many bunches remove some. Nitrate fertiliser will only produce more leaves and leaders, like most fruiting plants a little pot ash to encourage fruiting is beneficial in spring, ( A note for next year) Nature will have its way if we take a much deserved break, weed seeds pop, fruit over ripens and the veg bolts but we can shift all pots and hanging baskets to a shady south facing wall to protect from sun until you return. 
"Christmas cheer" Gardeners will enjoy and share the produce bounty from the busy year past and I will take this opportunity to wish each and every one of you A very Merry Christmas and a safe and prosperous 2018.

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