Warding off Jack Frost- Cromwell

Catch-up (early October, 2019)

After I'd completed my mega road trip from Winton to Cromwell & Lawrence return, to photograph the fruit blossoms, a photography acquaintance mentioned that I should do the trip again, at least to Cromwell, to take photos of the blossoms after the frost protection sprinklers were switched on in the orchards. 

Sunrise over Cromwell

How do frost protection sprinklers work? Coating a tree or vine with ice to protect new buds & blossom from frost may seem counter-intuitive but there is a science behind it.

Overhead low pressure sprinkler systems provide a high level of protection, the key is to form clear ice on the plant. Sprinklers deliver just enough water to glaze the plants in layers of ice, rather than soaking them and forming one massive layer of ice that may cause more cooling before it freezes.

Clear ice means that an endothermic reaction is taking place and the warmth of the plant is being trapped inside it. If the ice starts to become cloudy, the plant is losing heat and that’s when damage can occur. Water spraying starts well before the frost forms and continues until after the ice has completely melted from the trees. If water stops spraying on the clear ice, it goes from being endothermic to exothermic, and the heat loss and ice can then damage the fruit.

Drive back to Cromwell? 'What a good idea', I thought, the seed was planted. It would mean a 4am start to cover the 200+km from Winton to Cromwell but I was up for the challenge. Like a hoar frost, iced blossoms had been on my 'must capture' list for awhile, I'd just never been in the right place at the right time. Now was my chance. 

My friend had access to a Cromwell orchard's temperature gauge and he informed me by text late one evening that there was a predicted frost the following morning and I should be ready to go.

It turned out to be a very light frost and the sprinklers weren't needed but thankfully he was able to text me before I had left Winton. The next time I heard from him was a week or so later but unfortunately we had left Winton and were exploring the Milford Road by then, so I missed out again.

But as luck would have it, and after our short visit to Mavora Lakes, we were unexpectedly back in Cromwell parked in the NZMCA Park at Lowburn when very early one morning, around 3am, I woke with start to a very loud noise filling the air.

Once I figured out where I was- you get that when you're constantly on the move, it's sometimes takes a few moments to visualise where you're parked and in what direction you're facing- I realised that I could hear wind turbines and helicopters roaring into action, preparing to fight off a frost. 

How about that! I had no need to drive 400km this time, I was a mere 4kms down the road from the orchards! I was ready to go and out the gate well before the sun came up. The first orchards were still in darkness but I could hear the soft click, clack of the sprinkler heads turning and the gentle patter of water falling through the trees to the ground.

I carried on to the far end of Cromwell and then around onto a back road; sprinklers swishing back & forward everywhere I looked, a helicopter down very low in one orchard, weaving back and forward along the ends of the rows and the roar of wind fans and turbines in others.

All three methods obviously work but I'm not too sure how the orchardists decide which is the best way to go; sprinkler systems seemed to be most numerous.

Perhaps it's money, helicopters would cost a fortune, maybe there isn't access to water or perhaps the wind turbines can be shifted around the orchard more easily.

I had overlooked one major difficulty which now seems rather obvious. I was soaking wet within minutes of getting out of the ute- even with a rain jacket & gumboots on.

It didn't matter that I was ducking in and out of the passing overhead sprinkler trying to shoot a blossom before the sprinkler passed over again because if the sprinkler next door didn't get me the neighbour on the other side would. They were all out of sequence. 

Luckily I had an extra jacket in the ute and there were a couple of large towels packed into the back seat. I used one to cover the seat as I was climbing in and out in my wet gear all the time and the other one to wipe down my camera and dry my hair! I looked like a drowned rat. 

I was a little worried about my camera though, it's weather proof but not water proof and also, as I was zooming my lens in and out, water was tracking inside the lens.

Later when I arrived home and had dried my camera and lens out as much as I could, I left them on the bed in the warm sun to dry them out. I opened the window a little so any water would evaporate rather than condensate in the warmth. It worked although it did take a few hours each day to get rid of the moisture. Next time I need a waterproof cover for my camera.

After flitting back and forward through town and up and down down many of the back roads chasing sprinklers and easy to access orchards, I stopped at the Wooing Tree Vineyard, right in the middle of town. The sprinklers were also working overtime here and...

...at River Rock Estate, a little boutique winery across the road...

...where I managed to do a few close up shots...

...without getting drenched as I could keep outside the sprinkler's reach. 

Then with the sun climbing higher, the ice melting and enough blossoms photos to sink a ship, I thought I might just add a few more before I headed home. 

I'd passed this row of beautiful old crab-apple trees numerous times during the last couple of hours, now I stopped to take some photos of the gorgeous blossom.

Never satisfied and always striving for better photos, I can't wait until the next frost event. If you're passing through Cromwell next spring and you spot someone with a camera, ducking & diving around the fruit trees on the edge of an orchard covered from head to toe in ocean going wet weather gear, you'll know who it is! 

A Seriously Long Road Trip

Catch-up (Mid September, 2019)

While we were staying with our Southland family in Winton during September, I had the bright idea of doing a road trip to photograph the 'blossoms' in the fruit orchards of Central Otago. Never mind that it would be a 400km round trip and I was going by myself, it's no hardship at all as I love driving and I love being able to stop and take photos where and when I like. Not that David doesn't stop for me, but with the rig on the back it's often not possible or practical.

I left Winton at 7am in the cold pre-dawn light and enjoyed the quiet roads as I headed north passing through Dipton, Lumsden, Athol and Garston before making my first stop just north of Garston at my favourite woolshed...

...just as the sun reached over the nearby hills dispersing the fog that had settled in the valleys overnight.

Then it was on past Kingston around the edge Lake Whakatipu and up the 'Devils Staircase'; a winding cliff hugging road that is often bumper to bumper traffic with tour buses and tourist vehicles on the way to or coming back from Milford Sound (a 600km, 10hr round trip from Queenstown, and not one that should be undertaken lightly).

I drive through Frankton and head into the Kawarau Gorge. My next stop is at the historic 1880 Kawarau Suspension Bridge, the birth place of AJ Hackett's commercial bungy jumping. I stay long enough to watch a couple of jumpers; one extremely keen to do it, screaming and laughing with delight from the moment she stepped onto the platform, the other screaming and crying with fear!

Next stop in the gorge is at the Roaring Meg power station lookout. The Roaring Meg Stream tumbles down from the mountains above passing through two small power stations before exiting into the Kawarau River.

And the last stop in the gorge is at another favourite spot, a gravel pit that's a good stand-in for a lookout up the gorge.

And here's a comparison shot; I took this photo just a month later when spring was well on the way to turning the gorge a brilliant green.

My make-do lookout is just across the river from the replica Chinese village at Gees Flat, part of the Gold Fields Mining Centre. Sluiced terraces, tailing piles and the remains of huts can still be seen along the nearby steep edges of the gorge.

Once out the otherside of the gorge I'm approaching my blossom destination, Cromwell, 200km from home.  But after all that, there are not too many fruit trees in blossom in the orchards along the main highway, they have either finished flowering or the blooms are past their best. 

I can see several orchards smothered in pink blossoms away from the road but have no way of reaching them. Eventually I find a few trees and take some photos. I decide to carry on to Alexandra, 30kms away, another big fruit growing area in Central.

I grab a coffee & muffin from my favourite cafe in Cromwell, Fusee Rouge, and drive around to the Old Cromwell Town Lookout, above the confluence of the Kawarau and Clutha Rivers, to have them.

Then it's off through the Cromwell gorge towards Clyde...

...but not before I stop to check out the memorial plaque to the miners who first discovered gold here in the 1886 Dunstan gold rush.

I continue on to Clyde where I cross the Clutha River below the Clyde Dam bypassing Alexandra town centre because I know there are plenty of orchards along Earnscleugh Road on the opposite side of the river to town.

And I do find a few orchards in flower but I'm strangely not inspired, it's now the middle of the day and the light is harsh and I fail to get creative. Again I take a few shots and carry on my merry way east, I have plan...

I take a side road through Conroys Gully, it comes out at Butchers Dam on the highway heading east. I pass- what I think is a pear orchard in full blossom- just below a snow capped Old Man Range.

I stop at an unusually quiet Butchers Dam, there are no motorhomes or campervans at any of the freedom camping areas around the dam; it's just me and a few shags drying out on the nearby rocks on this chilly, blue sky, late winter's day.

Next stop is the old cob cottage at Fruitlands where some nosy cattle keep an eye on me from the paddock behind. Perhaps they think I have food for them. Much of the livestock in Southland and Otago is strip-fed over winter which means that after they have eaten the crop back to bare earth they have nothing to forage on while waiting for the next crop strip to be opened up or hay or silage to be delivered.

There are the remains of several other cob buildings nearby, this one looks quite substantial, it could have possibly been a homestead or a hotel.

I've decided to try the Roxburgh orchards for blossom. I'm driving further east and I know rather than retracing my steps, I can do a loop and head back to Winton by turning off at Ettrick, heading over the top of the hills past Heriot to Tapanui on to Gore and then across to Winton. 

Roxburgh has many roadside stalls which sell freshly picked fruit during the summer season, most are closed up as I pass by. Still more have disappeared altogether and others have been left to the elements while climbing creepers look to have swallowed a few too. 

There are a few orchards in blossom and this time they are more accessible...

...although once again the majority of them are white. The pink blossoms I do find are spent, pink must flower earlier than the white.

The afternoon is marching on but I do a quick calculation on distance & time and decide I'm going to carry on to Lawrence, 60kms further east from Roxburgh. There's another attraction that I'm aware of, it's only open for five weekends during spring and this just happens to be one of those weekends. But I do need to hurry along as the place I intend to visit closes at 4pm. 

The historic Hart's Black Horse Brewery at Weatherston, just outside Lawrence, is not only well known for it's ruins...

...it's also famous for the hundreds of thousands of daffodils that are planted over the nearby hillsides.

The daffodils were first planted in 1895 and it was thought that over 1 million bulbs were planted during the first few years, covering 10-15 acres of hillside behind the brewery. No expense was spared and  prices as high as £100 were paid for single bulbs from the Netherlands. Incredible when the average wage was only around £5.

People came from far & wide to see the daffodils when they were in bloom, the flowers were also picked by school children & sold for charity. In 1912 the first train excursions from Dunedin came; 2 trains of 13 carriages each organised by the Dunedin Horticultural Society.

More recently a charitable trust was formed with the aim of preserving and developing the site, which had fallen into disuse and disrepair. In 2005 the daffodil fields were once again opened up to public display, the first time in 50 years. After losing momentum the Trust was reformed in 2016 and with support and help from the people of Lawrence, the daffodil gardens were once again open for the public to view in 2017. 

The landowner prefers that the flowers aren't picked which in a way is a shame because I'm sure the money earnt from this would help in preserving the site, there is a $5 entry fee which goes to charity. 

I was pleased to have made the effort to visit, it had been on my 'must do, one day' list ever since we visited the brewery site in the middle of winter a few years ago and learnt of the daffodils. 

For those NZMCA members reading this, the property below the daffodil slopes is Paul & Glenice Kirkwood's Weatherston POP#8890, a delightful setting in the countryside and not too far from Lawrence & Gabriels Gully.

And that was it for me for the day, it was time to head home and with no dilly-dallying if I was to get there before dark. I drove 25kms back up the road to Raes Junction, turned left and headed south west towards Gore and then on to Winton arriving just as the sun dropped below the horizon. My 400km return trip to Cromwell ended up being a 500km round trip through Southland, Central Otago and Otago.

One last stop near Tapanui to photograph some little cuties