Helianthus tuberosus

No, the plant is not evergreen and loses its leaves in winter. It is a perennial plant that comes back every spring.

The plant is hardy to about -25 degrees Celsius. It is therefore suitable to grow in Dutch gardens. It is important to protect the plant during severe frost.

This plant is generally easy to maintain and requires little care. It is hardy and thrives in full sun in well-draining soil. Regular watering and fertilizing will promote growth and flowering.

The plant needs space to spread, so keep a minimum of 60 cm between each plant. Make sure the soil is well-drained and the plant receives enough sunlight. Consider planting the plant in separate beds to prevent it from smothering other plants.

This plant grows best in full sun or partial shade. It is recommended to plant it in a location where it receives at least 6 hours of direct sunlight per day. In shade, the growth can be hindered and the plant may produce fewer flowers.

This plant requires moderate water, so water it approximately 1-2 times per week. Make sure the soil stays lightly moist between waterings, but not overly wet. Adjust the frequency of watering based on environmental conditions and the condition of the soil.

Yes, this plant attracts butterflies and bees due to its nectar-rich flowers. It is a valuable addition to the garden for pollinating insects.

This plant blooms from August to October and the flowering period lasts for about 6 weeks.

Yes, this plant can withstand full sun. It is a strong garden plant that thrives in sunny conditions. It is important to ensure the plant receives an adequate amount of water during hot weather.

Yes, the plant is known for its edible tubers that resemble potatoes and can be eaten raw or cooked. The tubers contain many nutrients such as inulin and can be prepared in various ways. Edible parts of the plant are not only delicious, but also healthy.

You can prune the plant in the spring to promote growth. Remove dead or diseased branches and trim the plant back to a few centimeters above the ground. This will keep the plant healthy and stimulate new growth.

This plant needs regular watering, especially during dry periods. Make sure the soil remains moist, but not waterlogged. Water the plant at the base of the stems to prevent fungal diseases.

The plant likes fertile, well-draining potting soil. It's important to water regularly and keep the soil moist. Make sure the potting soil doesn't become too wet, as this can lead to root rot.

The soil should be well-draining and slightly acidic to neutral. Ensure fertile soil with sufficient nutrients. Avoid overly wet or heavy soil.

Provide a sunny location with well-draining soil. The plant can thrive in borders, vegetable gardens, or large pots. Avoid places with too much shade.

For winter protection, it is advisable to cover the plant with a thick layer of mulch to protect the roots from frost. Additionally, it can help to protect the plant from extreme cold with, for example, fleece or a mini-greenhouse. Make sure to fertilize and water the plant well before the winter begins.

This type of plant requires regular watering and thrives best in nutritious, well-draining soil. It is important to fertilize the plant regularly and remove runners to promote growth. Make sure the plant gets enough sunlight and protect it from strong winds.

For garden plants like these, it's important to add organic fertilizers in the spring to stimulate growth and flowering. Additionally, it's advisable to fertilize a few times during the growing season with a special fertilizer for flowering plants. Excessive fertilization can lead to lush growth and reduced blooming.

Mulch is a thick layer of organic material placed around the plant to keep the soil moist and suppress weed growth. This can consist of compost, leaves, straw, or wood chips. Mulch protects the roots from extreme temperatures and promotes soil quality.

This plant grows best in slightly acidic to neutral soils with a pH between 6.0 and 7.0. It is important to regularly check the acidity of the soil and adjust the pH value if necessary. An overly high or low acidity can negatively affect the growth and blooming of the plant.

This plant is susceptible to pests such as slugs and beetle larvae. These can be controlled by attracting natural enemies, such as birds and ground beetles. Additionally, repellents such as garlic spray can be used to deter pests.