Dahlia Genova

The 'Genova' Dahlia is a wonderful annual that will reward you with flowerbeds full of breathtaking blooms. These medium-sized, symmetrical globes have darker purple centers that transition smoothly into several rows of nearly white petals, finished with a delicate lilac hue. It reaches an impressive height of 80 to 160 centimeters and blooms profusely from July through November.

This variety absolutely loves the sun. Choose a fully sunny spot in your garden where it can flourish. The soil should be well-draining and humus-rich to ensure the plant has enough nutrients. Dahlias do not tolerate constant waterlogging or heavy clay soils, where their tubers could easily begin to rot.

Growing the Dahlia 'Genova' in a container is possible, but it requires a bit more careful preparation. Because the plant grows to a height of up to 160 centimeters, you must choose a really large and sufficiently heavy pot so it does not tip over in the wind. The pot must have excellent drainage to allow excess water to escape. Also, keep in mind that the substrate in a container dries out much faster, so watering and fertilization must be significantly more frequent than in a flower bed.

Pinching is a very important step that we highly recommend for every grower. As soon as a young plant has several pairs of true leaves, do not hesitate to pinch off its terminal shoot. This action encourages vigorous lateral branching and a beautiful bushy shape. As a result, the plant will produce many more stems and, consequently, more beautiful buds.

Dahlias like consistent and regular moisture, but be careful of overwatering. Water with care, ideally directly at the roots, so you do not wet the leaves. Regarding fertilization, use fertilizers with a higher nitrogen content at the beginning of the growing season to support green growth. Once the first buds appear, switch to potassium-dominant fertilizers, which support the development of stunning flowers and strengthen the root system.

Dahlia tubers are very sensitive to frost, so plant them in an outdoor bed only during May or early June, when there is no longer a risk of ground frost. Plant the tuber horizontally at a depth of 10 to 15 centimeters with the eye facing upward. There should be a layer of about 5 centimeters of soil above the crown of the tuber. Remember to maintain a spacing of 30 to 50 centimeters, which corresponds to roughly 1 to 4 plants per square meter.

Yes, support is absolutely essential for this variety. Given that 'Genova' grows quite vigorously and reaches a height of 80 to 160 centimeters, its long stems could easily break under the weight of the full blooms or from strong winds. Therefore, insert sturdy stakes near the plant in good time and carefully tie the stems with string.

Yes, regular deadheading is absolutely crucial. By cutting off old flowers in time, you prevent the plant from producing seeds and redirect the saved energy into the constant production of new buds. Thanks to this simple care, the Dahlia will delight you with its magical flowers continuously from July until the first frosts in November.

In our conditions, this is not possible; the tubers would certainly freeze over the winter. The season ends with the arrival of the first autumn frosts, which burn the above-ground part of the plant. Cut off the remaining stems, then carefully dig the tubers out of the soil. Clean them and store them in a dark, cool, frost-free room, covering them with sand or sawdust. Check them occasionally during the winter to ensure they are not suffering from mold or rot.

Definitely yes! Starting them early is a great way to speed up flowering. From March onwards, you can plant the tubers in pots with a light substrate and place them in a bright, frost-free spot. They will sprout beautifully and grow stronger there. As soon as the danger of frost passes in May, you can transplant the established plants directly into the flower bed. Thanks to this method, you will enjoy the abundance of pastel lilac flowers much sooner.

There are two reliable methods. The first is dividing the tubers: in spring before planting, you can divide older clumps, but each separated piece of tuber must have a neck with an eye, otherwise, it will not sprout (treat the wounds with charcoal). The second method is cuttings: from February to March, place the tubers in a warm place in the substrate, and once 5 to 8-centimeter-long shoots have grown, cut them off, dip them in a rooting hormone, and let them root in a seed tray.

The 'Genova' variety is absolutely fantastic for cutting. Cut the flowers when they are about three-quarters open and the back petals feel firm and fresh to the touch. Once cut, they will not open much further. Immediately after cutting, apply a favorite florist's trick: submerge the ends of the stems for at least 15 minutes in hot water at a temperature of 70 to 80 degrees Celsius. This procedure will significantly extend their lifespan, and they will stay beautiful in a vase for about a full week.

Slugs and snails absolutely love the young shoots of Dahlias and can cause huge damage. It is very important to check the area regularly. Hand-picking them early in the morning or in the evening, when they are most active, works great. If the problem is more extensive, ecological products like Ferramol work reliably; simply scatter them around the plants to effectively protect the flower bed.

Besides the aforementioned slugs, watch out for tiny insects called thrips, which can damage leaves and flowers. As for more serious diseases, mosaic virus is a risk. An infected plant will have strange light spots on its leaves and will fail to thrive. In such a case, unfortunately, the entire plant including the tuber must be disposed of immediately (do not put it in the compost!) to prevent the infection from spreading. As a preventative measure, keep the planting area airy and the plants healthy.