When to Plant Lavender in Colorado: Best Timing & Tips

when to plant lavender in colorado

Welcome to my guide on planting lavender in Colorado! If you’re looking to add this beautiful herb to your garden or landscape, it’s essential to understand the best time to plant it. Lavender thrives in warm, sunny climates with well-drained soil, making Colorado an ideal location for its growth.

However, timing is crucial when it comes to lavender planting. Planting too early or too late can result in stunted growth, poor blooming, or even plant loss. That’s why I’ve put together this comprehensive guide to help you determine the ideal lavender planting time in Colorado and ensure successful growth.

Key Takeaways:

  • Choosing the right time to plant lavender in Colorado is essential for successful growth and blooming.
  • Understanding lavender’s growing requirements, including sunlight, soil conditions, and water needs, is crucial for determining the ideal planting time.
  • The optimal time for planting lavender in Colorado depends on climate and temperature considerations, with specific months or seasons being most suitable for planting.

Understanding Lavender’s Growing Requirements

Before planting lavender in Colorado, it’s crucial to understand its specific growing requirements. Lavender thrives in sunny areas with well-drained soil and low to moderate moisture levels.

Sunlight: Lavender requires at least 6-8 hours of direct sunlight per day. It’s best to plant lavender in south-facing areas, where it can soak up the sun’s warmth.

Soil Conditions: Lavender thrives in well-drained soil with a pH level between 6.5 and 7.5. Colorado’s soil tends to be alkaline, so it’s essential to test the soil and adjust it with organic matter, such as compost or peat moss.

Water Needs: Lavender requires moderate watering, with a deep soak once or twice a week instead of frequent shallow watering. In Colorado, where drought conditions are common, it’s essential to be mindful of water usage and conserve when possible.

By understanding these growing requirements, you can prepare the ideal environment for your lavender plants to thrive.

Lavender field with mountains in the background

Image description: A beautiful field of lavender in bloom with the majestic mountain range in the background.

Best Time to Plant Lavender in Colorado

After understanding the growing requirements of lavender plants, it’s important to choose the right time to plant them in Colorado. Lavender is a hardy plant that can tolerate some cold and drought, but planting them during the wrong time can limit their growth and blooming potential. It’s best to plant lavender in the late spring or early summer when the soil temperature has risen.

In Colorado, the ideal planting time for lavender is between mid-May to early June. This time frame allows the plants to establish themselves before the hot summer weather hits, and they can bloom before the first frost in the fall. However, it’s important to check the soil temperature before planting. Lavender plants require a soil temperature of at least 60°F (15.5°C) for successful growth. Planting lavender too early, when the soil is still cold, can lead to root rot or stunted growth.

It’s also important to consider the climate in your specific area of Colorado. The state has varying microclimates, with some areas experiencing different weather patterns and temperatures. For example, areas with higher altitudes or cooler temperatures may require planting lavender later in the season to avoid frost damage.

Overall, choosing the right time to plant lavender is crucial for successful growth and blooming. Late spring to early summer is the optimal time for planting lavender in Colorado, but it’s important to check the soil temperature and consider your local climate before planting.

Lavender Field

Preparing the Soil for Lavender Planting

One of the most critical factors for the success of lavender planting in Colorado is the soil. Lavender plants require well-drained soil with a pH level between 6.5 to 7.5. This means that the soil should not be too alkaline or acidic, as it can affect the growth and blooming of the plants.

To prepare the soil for planting, start by removing any weeds or debris. It is also advisable to work some organic matter, such as compost, into the soil to improve the texture and nutrient content. If your soil is heavy and clay-like, you may need to amend it with sand or perlite to improve drainage.

When planting lavender, it’s essential to ensure that the soil is well-drained. If your soil is heavy and retains water, it can cause the lavender roots to rot. To improve drainage, consider planting lavender on a raised bed or adding some sand or perlite to the soil.

Another key consideration when preparing the soil is to avoid overfertilization. Lavender plants do not require a lot of nutrients, and too much fertilizer can lead to excessive growth, reducing the plant’s essential oils and fragrance. It’s best to use a low-nitrogen fertilizer or to add some bone meal to the soil before planting.

Remember, the key to successful lavender planting in Colorado is to ensure that the soil is well-drained and has the right pH level. By taking the time to prepare the soil properly, you will be able to grow healthy, beautiful lavender plants that will thrive in Colorado’s climate.

preparing soil for lavender planting

Planting Lavender: Tips for Success

Planting lavender can be a rewarding experience, especially if you follow some essential tips for success. Here are some helpful tips to keep in mind:

  • Choose healthy plants: When selecting lavender plants, look for those with strong stems and vibrant green leaves. Avoid plants with yellow or brown leaves, as this may indicate poor health.
  • Give them space: Lavender plants need plenty of space to grow and thrive. Plant them at least 2 to 3 feet apart to prevent overcrowding and promote proper air circulation.
  • Plant at the right time: As discussed in the previous section, the best time to plant lavender in Colorado is in the late spring or early fall. Avoid planting during the hot summer months to prevent stress on the plants.
  • Prepare the soil: Lavender plants require well-drained soil with a pH level between 6.5 and 7.5. Prior to planting, amend the soil with organic matter such as compost or aged manure to improve drainage and fertility.
  • Water properly: Lavender plants do not like wet feet, so avoid overwatering. Water deeply once a week, or when the top inch of soil feels dry to the touch. It’s best to water in the morning to allow time for any excess moisture to evaporate before evening.
  • Prune regularly: Pruning is essential for maintaining the shape and health of lavender plants. In the spring, remove any dead or damaged branches, as well as one-third of the plant’s total growth. This will encourage bushier growth and promote better blooming.
  • Use mulch: Adding a layer of mulch around the base of lavender plants can help retain moisture and regulate soil temperature. Avoid using wood chips or other heavy mulch that may trap moisture and harm the plants.
  • Fertilize sparingly: Lavender plants do not require much fertilization, and too much can actually harm them. Use a balanced fertilizer sparingly, and avoid applying during hot summer months.

By following these tips, you can ensure that your lavender plants thrive and provide you with their lovely fragrance and beauty for many years to come.

Tips for planting lavender

Caring for Lavender Plants in Colorado

After planting lavender in Colorado, it is important to provide proper care and maintenance to ensure healthy growth and prolonged blooming. Here are some essential tips:

  • Watering: Lavender plants require moderate watering. They should be watered deeply but infrequently, allowing the soil to dry out between watering sessions. Overwatering can lead to root rot and other problems. During the winter, reduce watering to avoid excess moisture in the soil.
  • Pruning: Pruning is necessary to keep lavender plants compact and bushy. It is best to prune in the spring before the new growth appears. Cut back no more than one-third of the plant’s overall size, and remove any dead or damaged branches.
  • Pest Control: Lavender plants are relatively pest-resistant, but they can be affected by spider mites, aphids, and other insects. To prevent infestations, keep the plants healthy and well-maintained, and monitor them regularly. If necessary, treat with organic insecticides or neem oil.
  • Winter Protection: In Colorado, lavender plants may need protection from harsh winter weather. Mulch around the base of the plants to insulate the roots, and cover them with burlap or frost cloth if necessary.

By following these care tips, you can enjoy beautiful, fragrant lavender plants in your Colorado garden for years to come.

lavender plants in Colorado


Overall, planting lavender in Colorado requires careful consideration to ensure successful growth and blooming. As I mentioned earlier, choosing the right time to plant is crucial, and it’s best to wait until after the last frost to avoid damage to the young plants.

Once you’ve determined the right time, it’s important to understand lavender’s specific growing requirements, including proper soil conditions and watering needs. Preparing the soil and planting the lavender correctly are also key factors for success.

Don’t forget about ongoing care and maintenance, as it’s essential for maintaining healthy, vibrant lavender plants. Regular pruning and pest control, as well as proper watering and winter protection, will help ensure your lavender plants thrive.

So if you’re a Colorado resident looking to plant lavender, don’t be discouraged by the challenges. With the proper guidance and techniques outlined in this article, you can grow beautiful lavender plants and enjoy their fragrance and beauty for years to come.