The Content Of The Article:
- Facebook: The top questions of the calendar week 29
- 1. Is it already too late to re-create a perennial bed including tillage?
- 2. My gentian shrub is in the sun, is potted in fresh soil, is regularly watered and fertilized and still does not bloom. What can this be?
- 3. I have purple widow flowers, but they withered very fast. Do you do it again when I cut it off?
- 4. Can you actually repot hydrangeas well? For example, take out of the garden and put in flower tubs?
- 5. When is the right time to harvest celeriac?
- 6. Does the blueing of hydrangeas also go with calcareous water?
- 7. Can you share hydrangeas?
- 8. Unfortunately, I have been trying for three years with Malven. Today, three came, but probably have malvenrost. Have already tried organic crop...
- 9. Many leaves of our old magnolia in the garden are already brown again. Last year I already had the problem. What's wrong with the tree?
- 10. Can a panicle hydrangea be planted on the south side of a house? Which variety would be recommended?
Every week our social media team reaches a few hundred questions about our favorite hobby: the garden. Most of them are quite easy to answer for the editorial team of MEIN, but some also require some research effort to be able to provide the right answer. At the beginning of each new week we put together for you our ten Facebook questions of the past week. The themes are mixed - from the lawn over the vegetable patch to the balcony box.
Facebook: The top questions of the calendar week 29
1. Is it already too late to re-create a perennial bed including tillage?
Basically, you can create perennial beds during the entire season, only there are months in which the growing conditions are cheaper than in others. July is less suitable for this because the plants have high evaporation due to the warm to hot weather, very often have to be poured and often do not gain a foothold because they are in heat stress. If one replants individual perennials in the bed, this may still work, but for the installation of a new bed, we advise to wait until the fall. The months of September and October are the better times, because the plants then grow much better.
Perennials can be planted throughout the season, but there are better and worse times for it
2. My gentian shrub is in the sun, is potted in fresh soil, is regularly watered and fertilized and still does not bloom. What can this be?
The gentian bush can be very sensitive if it does not feel 100% comfortable in winter quarters. He then punishes the gardener with few flowers. Often you do not even get for years as beautiful flowers as directly after purchase. Older plants, however, generally show a marked increase in flower abundance.
3.I have purple widow flowers, but they withered very fast. Do you do it again when I cut it off?
In the case of the widow's flower (Knautia), a total cutback can be made after flowering (cut the perennial down to about 10 to 15 centimeters in height). After five to six weeks, there will be a second, but weaker pile. You should fertilize the plant after pruning with a little quick-acting mineral fertilizer such as blue grain and pay attention to a good water supply.
The widow's flower shows a second pile five to six weeks after pruning
4. Can you actually repot hydrangeas well? For example, take out of the garden and put in flower tubs?
That depends on the type. Peasant hydrangeas are best suited to the culture in the tub. Also the snowball hydrangea 'Annabelle' is well suited. It also depends on the size of the plant that is to be transplanted. Alternatively, hydrangeas can be propagated over cuttings and used to potted plants.
5. When is the right time to harvest celeriac?
Celeriac is harvested from mid-August, but may remain in the soil until autumn (September / October). He tolerates light night frosts, but then he should be harvested. In September, the celery increases significantly in volume and therefore needs a nutrient replenishment. Incorporate vegetable fertilizer around the tuber or water twice a week with dilute comfrey.
Celeriac is harvested between August and October
6. Does the blueing of hydrangeas also go with calcareous water?
No, we advise against the blueing of the hydrangea flowers with calcareous water. You should use as low as possible tap water or rainwater. If the water is too hard, the lime dissolved in it raises the pH of the earth again and the effect of the alum is correspondingly weaker. Hard tap water can be softened, for example with a special water filter.
7. Can you share hydrangeas?
Basically, hydrangeas can be divided, but this can be very tedious depending on the size of the mother plant. Hydrangeas form a thick woody root system that is difficult to saw. Easier is an increase by cuttings.
8. Unfortunately, I have been trying for three years with Malven. Today, three came, but probably have malvenrost. Have already tried organic crop protection, but so far has not helped. What to do?
Actually, treatments with field horsetail or tansy are very effective. In the worst case scenario, it is possible to use an environmentally friendly sulfur or copper based spray against the fungus. It is still best to collect contaminated plant parts and dispose of them in the household waste. Unfortunately, if the plant is too heavily attacked, only digging up and disposal will help. However, you should then put next year no hollyhocks at the same planting place.
When malvenous rust begins, clear signs are already visible on the underside of the leaves
9. Many leaves of our old magnolia in the garden are already brown again. Last year I already had the problem. What's wrong with the tree?
If the leaves of the magnolia turn brown, this can have different causes. Usually, however, a non-optimal location is the reason. Magnolias do not like bright sunlight. In addition, the soil should be slightly acidic (if necessary, with some rhododendron soil repair). Also a too dense planting or lawn, which grows up to the trunk, they often punish with a discoloration of the leaves.
10. Can a panicle hydrangea be planted on the south side of a house? Which variety would be recommended?
Panicle hydrangeas are one of the hydrangea species that still tolerate the sun, even if they like all hydrangeas prefer a partially shaded location. For example, the variety 'Limelight' is especially beautiful. But then the soil around the plant with mulch should be protected from evaporation. If the location is indeed in the blazing sun all day, protect the plant with a sheet or screen from strong sunlight, at least during the hot midday hours.