Newsletters: pruning is easy – talking roses in July ’16
- In the rose garden with Ludwig
- Images of My visit to China
- Rose Care for July
- Rose of the Month
- News from our Rose centres
‘When you have only two dollars left in the world, buy a loaf of bread with one, and a rose with the other.’
In the Rose Garden with Ludwig
On my return from attending the Regional World Rose Convention in China I was happy to find that our roses were still flowering quite well considering it was supposed to be winter. Even after the few cold days, and the rain a week ago, we still have a lot of colour to show and super big blooms to admire.
Blue Ribbon in June
Brilliant Pink Iceberg performing!
Afrikaans will flower deep into winter…
Annique – just exquisite.
Garden Queen exuding fragrance
Forever Busy full of buds
Mon Cherie – as radiant as ever
Momentum – in full flow
Tempi Moderni – as inviting as a warm fire place
yellow autumn leaves (not diseased) and hips have there own attraction
After digging over the beds, picking out lots and lots of the beetle larvae (as shown in the May newsletter) and drenching the soil, our newly planted trial roses recovered and are sprouting happily, even with some nice new blooms.
Trial Roses are now growing well
At this time of year, one’s fingers itch to start pruning, but with the relatively warm winter temperatures it is important to hold back. In years gone by our co-workers made small fires early in the morning to warm their hands after shifting and loading the iced-up dormant container rose plants. Now, it seems that such frosty mornings have shifted to late July / August. This image is a mock-up. It was not really cold enough for a little fire.
fire to warm hands: this is a mock up on 22 June – ‘Cora Marie’ in back ground is still in full bloom
I noticed in our trials how a massive pressure of black spot spores from close by black spot sensitive variety is able to infect the leaves of a black spot resistant eco-chic variety. It shows that as long as we do treasure older non-resistant varieties, preventative spraying during the “black spot weather” is important.
Black Spot can spread onto resistant varieties due to the high spore pressure from susceptible variety next door
My impressions from the Rose Convention in China
I need just one word to describe my experience of roses in China – Superlative!
On arrival at Beijing Airport I noticed roses planted en masse, but the traffic was so heavy I could not cross the road to take a closer look. And it didn’t stop; roses planted down highways, in parks, at the convention centre, in metre high displays – whenever we thought there were no more roses to see, we discovered some more. Here are just some images to show what I mean…
China – Opening Ceremony – World Rose Convention
newly planted roses next to art work
entrance to Rose Museum Elizabeth, Gail and Lizette
Rose Museum holds rose literature from South Africa
A display at the opening ceremony
Another magnificent display
a stunning rose show indoors
an entire street displayed with roses in full bloom for the opening
What a magical display!
Exhibition of single blooms
a rose adorned table
Pensioners Meeting Park with lots of Roses from Meilland
in the same park a trained red climber
and the food was delicious and decorated with roses also
Nabow Rose Varieties Garden – a dream!
the nurseries show garden
more of the amazing show garden
see how neat and tidy the show garden is
Bonsai roses at the Nabow Varieties Garden
the Terra-Cotta museum in Xian was truly amazing
roses planted for km’s and km’s as street dividers in Beijing
Botanical Garden Beijing – a rose lover’s paradise
the terraces in the Botanical Garden, Beijing
I just had to visit the Great Wall of China
the newly planted roses on the steep path to the Great Wall of China are awaiting the rain.
boating on the Li River in Guilin was incredibly scenic
Silk production in Xian – note the cocoon in front
Join Pamela, my wife, on a garden tour to Lombardy and Piedmont from the 8th to the 17th of September – 10 days.
You will visit Monza, Milan, Lake Como, Lago Maggiore, Borromeo Islands, La Venaria Reale and Turin.
For more information please e-mail email@example.com.
Pruning demo & 20% discount Star Roses – KZN
I will be giving a talk on how and when best to prune your roses in KZN at Star Roses on Saturday 25 and Sunday 26 June at 10:30. We will be offering a special -20% discount on all rose plants and we will also be running specials for the day on selected fertilisers, composts and sprays.
Please see below under News from our Rose Centres for the dates in July when I will be hosting pruning demo’s at our other branches. Here too the -20% discount will apply on the demo weekends.
Step by Step Rose Care for July
October is Rose month but July is pruning month and it seems as if rose growing revolves around these two very important months.
Although I claim that roses prune themselves and do not need us to do so, it is like mowing the lawn – it looks neat afterwards and there is the expectation of beautiful blooms just two months later. With warmish weather it is best to delay pruning to the second half of July in order to avoid the early sprouting of new leaves which are then subjected to cool, moist conditions that could bring on fungus diseases. Obviously, conditions vary around the country. Pruning early or late July has no influence on the flowering time in October, which is determined by the weather pattern in September.
How to Prune
It is important to accept that you cannot prune a rose wrongly.
A 2m high rose bush that was cut back or pruned to 75cm last year can receive the same treatment now.
By inspecting and observing how each rose has grown over the past season you will see where the best stems developed and that gives one a lead – that is, to follow the strongest sap flow which is evident in good strong healthy stems and retain them while removing any twiggy older stems that have already been neglected by the bush.
Deciding how severely to prune back a rose is, to a degree, is personal. The principle is that every remaining stem or stub needs to sprout. Leaving lots of stems means lots of medium to short stemmed blooms, while fewer “cutting points” means fewer, but longer stemmed blooms.
We all know that roses are sun loving plants, meaning they need lots of direct light onto the leaves to encourage photosynthesis which produces food that is transported to the roots. Since new stems and leaves always start sprouting at the highest points, the stems that sprout lower down and in the centre of the bush will soon be in the shade and unable to produce flowering stems. Therefore, cut out all the stems that are growing towards the inside centre. If left, they will soon dry out – not a problem just a nuisance.
A few tips
- Most floribundas are cut back to about knee height. ‘Iceberg’ and its sports are an exception, because they are capable of sprouting from the old wood and are easily performing rounded shrubs.
- Hybrid Teas, the ones that produce nicely shaped blooms on more or less long stems, may be cut back to hip height, depending on their actual vigour and stem length.
- Spire roses or other very tall growing Hybrid Teas may be cut back to chest height, in order for them to quickly reach the expected “screening height” they were planted for.
- Shrub and Panarosa roses are cut back to shoulder or head height. They also have broad, spreading growth and the sides are reduced in relation to the height.
- Miniatures and Groundcover roses may be sheared. They are usually planted for flower power not quality of individual blooms.
Here are a few images to show how easy pruning really is:
pruning a Hybrid Tea before
the same Hybrid Tea lightly pruned but still too many inside stems
the same Hybrid Tea lightly pruned – so that it quickly reaches the expected “screening height” it was planted for.
same Hybrid Tea pruned back to knee height
Floribunda before pruning
same Floribunda after pruning
Iceberg before pruning
The same Iceberg after pruning. Important to retain stubs of greenish newer shoots left at end of the old greyish wood
Spire rose before pruning
same Spire pruned to shoulder height
My Granny before pruning
shearing My Granny
re-pruning My Granny after shearing
Miniatures before shearing
Miniatures after shearing
It is advisable to spray after pruning, especially to eradicate scale insects that invaded so many roses last summer because of the heat and insufficient water flow within the plants. If there is a very obvious visible scale population it is best to brush them off and then spray. The best, effective spray at this stage is the oil-based spray Ludwig’s Insect Spray (100ml mixed in 10 litres water, double the strength of normal application).
Spraying the same onto the cuts suffices as a seal. No need to seal the cuts with a tree sealer or Steriseal.
With the soil likely to be compacted by this is the time of the year, it is necessary to provide the roots with a better airy environment. Add a layer of compost, peanut shells, crushed apricot pips or coarse pine bark or even a bit of manure if available (all these materials are contained in Ludwig’s Planting Mix) and dig this in 25cm deep making sure it is well mixed with the soil so that the soil feels spongy.
re-conditioning the soil around an old Iceberg bush
re-conditioned soil around old Iceberg bush, loose and airy, Vigolonger has been worked in to 20cm depth
Drench very well with water and keep on watering once a week until end August. No problem if it is more often due to automatic irrigation systems.
You might consider applying our new fertiliser VIGOLONGER right after pruning.
This multicoated, controlled released fertiliser needs to be mixed into the soil down to root level. It cannot cause burning but will provide a source of nutrients for the whole season. When the brown granules become moist and as temperatiures rise the fertiliser within the granule dissolve and is sucked through the polymer coat by osmosis into to the soil and is then easily absorbed by the roots. Really magnificent stuff!
The nutrients released ensure a nicely even growth, compared to a sudden burst when applying Vigorosa or any other fertiliser.
The rose however still welcomes a boost of Vigorosa on occasions, such as mid-September for additional growth and again in December and March.
such nitrogen deficiency would not have happened with Vigolonger in the soil; note saturated plants in back ground
Roses of the Month: Rhona Lya
This rose variety really stands out at the moment. The bushes are full of healthy leaves and they carry many blooms. This is a true sign of its natural vigour!
The deep cognac colour of the bud flows to hues of deep cream and honey gold in the opening bloom. They have a good vase life and best of all exude a distinct sweet, honey fragrance.
News from our Rose Centres
There is no charge nor is a RSVP required to attend any of the pruning demonstrations held at our rose centres.
You are welcome to have your pruning tools serviced and sharpened during the demonstration for a nominal fee.
Ludwig’s Rose Farm north of Pretoria on the N1 motorway
Pruning demonstration on Saturday 2nd and Sunday 3rd of July at 10h30. We will be offering a special -20% discount on all rose plants and we will also be running specials for the day on selected fertilisers, composts and sprays.
Ludwig’s Pretoria East, Lynnwood Road, Pretoria:
Pruning Demonstration on Sunday, the 3rd of July at 14h00. We will be offering a special -20% discount on all rose plants and we will also be running specials for the day on selected fertilisers, composts and sprays.
Ludwig’s Roses EGOLI in Glenferness, JHB
Pruning Demonstrations on Saturday the 9th and Sunday the 10th July at 10h30. We will be offering a special -20% discount on all rose plants and we will also be running specials for the day on selected fertilisers, composts and sprays.
The rose plants still look super and it is still easy to select your favourite colour and flower shapes. They will be pruned back the week after the Pruning Demonstration.
Ludwig’s Roses Winelands:
Pruning Demonstrations will be held on Saturday the 16th and Sunday the 17th of July at 10h30. We will be offering a special -20% discount on all rose plants and we will also be running specials for the day on selected fertilisers, composts and sprays.
Ludwig’s Cape Town:
Pruning Demonstrations will be held on Saturday, the 16th of July at 14h00. We will be offering a special -20% discount on all rose plants and we will also be running specials for the day on selected fertilisers, composts and sprays.
Ludwig’s STAR Roses in Assagai, KZN:
Pruning Demonstration on Saturday 25th and Sunday 26th of June at 10h30. We will be offering a special -20% discount on all rose plants and we will also be running specials for the day on selected fertilisers, composts and sprays.
ROSE PRUNING SERVICE
Over the year’s we have always offered the service of gardeners being able to pick up one of our experienced staff members over weekends to come and prune your roses for you at a fee.
This year we are offering a service where the guys actually transport themselves to you and we prune certain areas of Johannesburg and Pretoria on certain weekends. If you are interested please e-mail firstname.lastname@example.org with your address and the approximate amount of roses you have for him to be able to get back to you with a date and cost. The cost is approximately R 200.00 for an hour in which we can prune between 50 – 100 plants.
ROSES IN THE POST
If you live far from our nurseries and would like us to post you roses bare rooted, please e-mail email@example.com with the list of your required roses and your address and she will get back to you with a detailed quotation.
We look forward to welcoming you and speaking to you at our pruning demos.
We hope you enjoy the therapeutic act of pruning your roses!