Updated: December 5, 2022

Dahlia plants are beautiful flowers that come in a variety of colors and shapes. They are a favorite of many gardeners because they are easy to care for and produce stunning blooms. However, sometimes you may notice that your dahlia plant is growing sideways instead of upright. There are several reasons why this can happen, and in this article, we will explore some of the most common causes and what you can do to fix the problem.

Lack of Sunlight

One of the most common reasons why dahlia plants grow sideways is due to a lack of sunlight. Dahlia plants require full sun to thrive, meaning they need at least six hours of direct sunlight each day. If your dahlia plant is growing in an area that doesn’t receive enough sunlight, it will begin to lean towards the sun in an effort to get more light.

Weak Stems

Another reason why your dahlia plant may be growing sideways is due to weak stems. Dahlia plants have thick, sturdy stems that can hold up their heavy blooms. However, if the stems are weak, they will not be able to support the weight of the plant, causing it to lean to one side. Weak stems can be caused by a variety of factors, including poor soil quality or overwatering.

Wind Damage

Dahlia plants are also susceptible to wind damage, especially if they are planted in an area that is exposed to strong winds. If your dahlia plant is growing sideways, check to see if it has been damaged by wind. You may notice broken stems or leaves that have been torn off. To prevent wind damage, consider staking your dahlia plant or planting it in a more sheltered location.

Pests and Diseases

Pests and diseases can also cause your dahlia plant to grow sideways. For example, if your plant is affected by a fungal disease, it may begin to lean to one side as the disease weakens the stems. Similarly, if your plant is infested with pests like aphids or spider mites, they can cause damage to the plant that leads to it growing sideways. To prevent pest and disease problems, make sure to keep your dahlia plant healthy by watering it properly and using organic pest control methods.

How to Fix Sideways Growing Dahlia Plants

If your dahlia plant is growing sideways, there are a few things you can do to fix the problem. Here are some tips:

  • Move your plant to a sunnier location: If your dahlia plant isn’t getting enough sunlight, move it to a sunnier location where it will receive at least six hours of direct sunlight each day.
  • Staking: Use a stake or trellis to support the plant and keep it upright. This will help to prevent further leaning and promote healthy growth.
  • Pruning: If your dahlia plant has become too tall and top-heavy, you may need to prune it back to encourage more balanced growth.
  • Soil amendments: Check the quality of your soil and make sure it has good drainage. Add compost or other organic matter to improve soil quality.

By following these tips, you can help your dahlia plant grow upright and healthy.

FAQ

How often should I water my dahlia plant?

Dahlia plants should be watered deeply once a week. Make sure the soil is moist but not waterlogged.

What kind of fertilizer should I use for my dahlia plant?

Dahlia plants prefer a balanced fertilizer with equal amounts of nitrogen, phosphorus, and potassium. You can also use a fertilizer specifically formulated for flowering plants.

When should I prune my dahlia plant?

Dahlia plants should be pruned in the spring when new growth begins. Prune back any dead or damaged stems and remove any side shoots that are growing off the main stem.