Can I drop CA and pursue ACCA
The pineapple guava - an exotic flower and fruit bush
The pineapple guava is a wonderfully blooming exotic plant that inspires with wonderful flowers, attractive foliage and edible fruits. There are some important care instructions for the pineapple guava that I want to give in this post. It's about the ideal location, care and wintering of the pineapple guava. If there are further questions, these can be asked at the end of the article.
The eye-catching and distinctive red stamens are the hallmark of the pineapple guava.
Interesting facts about the pineapple guava
The pineapple guava has long been an integral part of the conservatory flora. It belongs to the genus Acca, which originates from South America and is related to guavas. An older name for this genus is Feijoa. In culture, the Acca plants are relatively small subtropical to tropical shrubs that are characterized by a beautiful variety. Acca sellowiana, the botanical name of the pineapple guava, comes from central South America. Since it is native to Paraguay, Uruguay, northern Argentina and southern Brazil, it is also called Brazilian guava. The plant can also be cultivated as a fruit tree in temperate countries. By the way, some of my photos come from Northern California, where I discovered this plant.
The pineapple guava is a harmonious tub shrub with beautiful flowers.
Flower and foliage
Particularly noteworthy and pretty are the flowers, which combine white-red sepals with red stamens. The stamens have a golden yellow pollen point at the end, which puts a noble crown on the flower. In the terrace culture in this country, flowering begins in May. In the winter garden, pineapple guavas can bloom earlier. The flowering can last a long time until autumn and winter. The leaves are oval and dull to glossy green on the surface, while they are hairy on the underside with a white felt.
When the pineapple guava flower opens, it is especially beautiful.
After flowering, the pineapple guava bears fruits that are quite similar to those of the kiwi. The fruits need about six months after flowering to reach maturity. It is recommended to help pollinate the flower with a brush, as the pineapple guavas find it a little difficult to pollinate. When the pineapple guava fruit is ripe, the colorless but aromatic sweet and sour pulp can be consumed. It is rich in vitamins and can be spooned out of the halved fruit. The fruit can also be eaten whole, peeled. The taste of the fruit is described as a mixture of guava, pineapple and passion fruit.
In the bright winter quarters, the buds for the next bloom already form in March.
Caring for the pineapple guava
As a myrtle plant, the pineapple guava is quite robust, but of course the location conditions of its region of origin must be taken into account when caring for the pineapple guava.
The pineapple guava flowers often grow in pairs on the branch.
Even if it has been read on various occasions that the pineapple guava is hardy, you should still plant it in a tub. The plant can withstand a few minus degrees, but not enough. But above all, the plant needs a lot of light. Its light requirement is similar to that of the Buddha's hand lemon or the bougainvillea. This means that in addition to a sunny spot on a south-facing terrace, it should receive enough light in winter as well. Of course, a winter garden or greenhouse is ideal to give the plant this brightness. If you don't have a greenhouse, you can also use an energy plant lamp * or LED plant lamp * that illuminates the guava. The intensity of the lighting mainly depends on the winter temperature. You can find out more about this below.
The pretty flower of the pineapple guava often appears in pairs.
Watering and fertilizing
As a plant of the temperate tropics to subtropics, the pineapple guava likes it moist. So you always have to keep it moist, which you can easily achieve with a lower shell. A special feature is the sensitivity to calcareous water. You should water the guava with soft water and not with hard, calcareous tap water. You can find out how hard or soft your tap water is on this page. You can definitely use water of low to medium hardness, hard tap water just not.
Sometimes the flower hides behind leaves.
You can use either a potted plant fertilizer or a fruit fertilizer for the pineapple guava. The fertilization takes place in the growth and flowering period, i.e. from May to approx. September. You can administer the fertilizer with the irrigation water about once a week. It should contain a balanced ratio of the main nutrients nitrogen, phosphate and potassium as well as trace elements. Trace elements are only found in low concentrations. The most important are iron, copper, zinc or magnesium.
How to cut the pineapple guava
Since the plant grows quite bulky, the young pineapple guava in particular should be cut to get it into shape in good time. The pruning is done in early spring, even before bud formation. Alternatively, you can cut in the fall after the harvest. When cutting, you can bring the pineapple guava into the shape you want. You can also shape a stem by cutting. Even if various authors recommend clear pruning, you should spare the leaves of the pineapple guava when cutting. When spring gets colder, the plant will lack for flower formation. Preserving the foliage is also an important objective for wintering.
The flower of the pineapple guava often blooms in secret, but all the more beautiful.
Wintering with the pineapple guava
If you want to overwinter the pineapple guava, you can look forward to it. Even in winter it is easy to care for and can even tolerate a few minus degrees. The pineapple guava is referred to as the 'frost hardest subtropical fruit', but in my opinion this frost hardiness should not be aggressively tested. It can be seen from the literature that leaf damage occurs only at -6 ° C or more. A tried and tested minimum temperature can even be read as -16 ° C or -20 ° C. However, at such temperatures you have to assume that the cold can significantly damage the above-ground part of the plant.
Therefore, a cool and, as described above, particularly light winter storage is the method of choice. 'Cool' means that the temperature should be between 5 ° and 10 ° C. The ideal winter quarters is therefore a glass house or a very bright, unheated adjoining room. Please be careful with well-insulated rooms. These are usually warmer than 15 ° C and therefore so warm that the light is not sufficient. Leaf loss can be the result, which the pineapple guava throws back in terms of flowers. On the other hand, infestation by pests or diseases is rather rare, so that you can turn your attention to other, more sensitive plants during the winter. The pineapple guava does not need fertilizer, you should only ensure slightly moist soil during the winter.
Buy the Brazilian guava
If you want to buy a pineapple guava, then you should resort to an experienced tree nursery or a specialized plant dealer. With these you can assume a good plant and thus also a good flowering and fruiting performance.
Wolfgang Kawollek - Plants for the winter garden. Stuttgart 2005
Christoph and Maria Köchel - Container Plants: The Dream of the South, Munich 2003
Photos and text: Dr. Dominik Große Holtforth
Dr. Dominik Große Holtforth
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Hello Mr. Holtforth,
In autumn I planted all the citrus plants in the greenhouse (double-walled sheets) because they had suffered a bit in the bucket last summer. Now almost all of them have very good leaf shoots and I wonder if I can leave them in the greenhouse for this year .. I have already planted a real lime there permanently and it is doing very well, but that is also the some tropical citrus species . But what about Kumqua, C.maxima, Orange, Clementine, Eremocitrus-Hybrid, C.limon, C.aurantium, C.aurantifolium, Limequa ec. out?
I would also have a question about the pineapple guava: I have read the needs lime, you advise against lime-containing irrigation water.
Thank you for your response
You can grow citrus very well permanently in the greenhouse, but you have to ventilate well in summer. But that applies to all greenhouse plants.
I water my pineapple guava with rainwater and it takes it very well. The negative or positive effect of lime is overestimated in many plants. Exceptions are epiphytes or rainforest plants.
If you have any further questions, please feel free to contact us. You may also be interested in my newsletter, you can register for free here.
Dr. Dominik Große Holtforth
it is possible in the greenhouse (cold house) Citrus limon, Dicksonia antarctica, Brazilian guava
and plant out Camellia permanently (also in summer)?
Thank you in advance for your answer.
Hello Mr. Fichtner,
Dicksonia antartica and the camellia can easily be planted out in the Kalt winter garden. With both of them, however, you have to make sure that they do not get direct sunlight. This is exactly the other way around with Citrus limon and the Brazilian guava. So I would leave these plants in the tub. If you put them out in spring and summer, the plants will get more direct sunlight and will grow better.
If you have any further questions, please feel free to contact us.
D. Great Holtforth
I heard you will soon be selling Feijoa Sellowiana at Lubera, do you know when?
Now light the pomelo and scratch a little on the rind, o it is still green underneath. If so, then she should recover.
Mulberries fall off way too soon
I brought mulberries from Turkey and planted them in my garden. The mulberry tree is ten years old. Unfortunately the mulberries fall off way too early and I don't understand why. If you could help me figure out why the mulberries fall off so early, I would be very grateful.
Thank you for your quick reply. I just have one more question: How do I find out if my tree is male or female?
The flowers can be used to distinguish between male and female flowers.
It is only wrapped with fleece in negative weather conditions, otherwise there is no protection (Northern Hesse).
So if there is no permafrost beyond -10 ° C, in my experience it is very easy to plant out (although we already had -16 ° C, but just packed
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