Tagetes lemmonii, commonly known as Copper Canyon Daisy or Mountain Marigold, is a perennial plant native to the southwestern United States and northern Mexico. This plant belongs to the Asteraceae family and can grow up to 3–4 feet tall and wide. It features a bushy growth habit with finely divided, aromatic, dark green foliage. The flowers of Tagetes lemmonii are bright yellow-orange and resemble daisies. They bloom from late summer through fall and attract bees, butterflies, and other pollinators. The plant prefers full sun exposure but can tolerate partial shade. Tagetes lemmonii is drought-tolerant once established, although it requires regular watering during its first year of growth. The plant thrives in well-drained soil with moderate fertility levels. In addition to its ornamental value, Tagetes lemmonii has several medicinal properties. It has anti-inflammatory effects that can be useful for treating skin conditions such as eczema and psoriasis. Its essential oil also possesses insecticidal properties, making it effective for repelling pests like mosquitoes and fleas. Overall, Tagetes lemmonii is an attractive perennial that adds vibrant color to any garden. It offers several medicinal benefits and serves as an excellent natural insect repellent, making it a great alternative for homeowners who wish to avoid chemical pesticides on their property.
Lemmon's marigold is generally resistant to disease and not commonly affected by illnesses. However, it can be susceptible to pests and diseases present in its environment. These problems are usually minor. Care-wise, this plant needs moderate maintenance. It should be pruned regularly to maintain a good appearance and encourage healthy growth. Fertilizing can also help stimulate flowering. Lemmon's marigold is well suited to anyone with outdoor space, such as a garden or patio, and does not demand extensive care experience. It may require additional attention if grown indoors.
How to keep Tagetes Lemmonii.
Light
Lemmon's marigold grows best with plenty of sunlight all day, though it can tolerate some shade. Coming from sunny habitats, this plant's growth and vigor are greatly supported by abundant light. Excessive exposure, however, can scorch the leaves, while insufficient light may cause stunted growth.
Water
Lemmon's marigold flourishes in highland areas where it enjoys occasional moisture and moderate humidity. To keep your plant healthy, water it every 1-2 weeks and mist it indoors occasionally. During the active growing season, it's important to maintain proper water levels to ensure vibrant foliage and abundant flowering.
Temperature
Lemmon's marigold is native to areas where temperatures generally fall between 68–100 °F (20–38 ℃). It does best within that temperature range and may need protection if temperatures drop below or climb above it during seasonal changes.
Fertilizer
Timing is essential for fertilizing Lemmon's marigold. Start fertilizing in early spring and continue monthly until early summer. Fertilizer promotes attractive blooms and supplies energy during both dormant and active growth periods.
Pruning
Lemmon's marigold flourishes with regular pruning, ideally done from late winter to early spring. Begin by removing dead branches and shaping the plant to control its size and encourage bushy growth. To prevent disease, always use clean pruning tools. Light pruning after blooming helps maintain the plant's shape and vitality, encourages abundant blooms, and prevents the stems from becoming leggy.
Pot & Repot
Repot Lemmon's marigold every 2 to 3 years in the spring to encourage healthy growth. Select a larger container with good drainage to ensure the plant thrives. After repotting, place Lemmon's marigold in a location with plenty of light and water it moderately. Its hardiness makes it easy to care for, making Lemmon's marigold a valuable addition to your collection.
Botanical profile.
- Plant Type
- Herb, Shrub
- Life Cycle
- Perennial, Annual
- Genus
- Tagetes
- Family
- Asteraceae
- Hardiness Zone
- 8-11
- Mature Height
- 2.44 m
- Mature Spread
- 1.83 m to 3.05 m
- Leaf Color
- Green
- Leaf Type
- Evergreen
- Flower Color
- Yellow, Orange
- Flower Size
- 5.08 cm
- Bloom Time
- Early spring, Mid spring, Late summer, Fall, Winter
- Planting Time
- Spring
- Harvest Time
- Spring, Fall, Winter
- Native Area
- Mexico
Other names.
Reader questions.
How should I water my Lemmon's marigold?
Your Lemmon's marigold doesn't have specific requirements for watering, so you can use various common tools like watering cans, hoses, or cups. The important thing is to water the soil directly and ensure all parts are evenly moistened for the roots. Using filtered water is helpful to avoid harmful particles in tap water. Additionally, it's best to use water that is at or slightly above room temperature, as extremely hot or cold water might shock the marigold. However, the Lemmon's marigold usually does well with any type of water.
Why do I have to put fertilizer on my Lemmon's marigold?
Fertilizing a Lemmon's marigold is important for several reasons. Firstly, it helps the plant produce beautiful blooms. To achieve this, it is recommended to fertilize in early spring for optimal flower growth. Secondly, fertilizer provides the plant with additional energy to store in the ground during dormant growth phases. By giving the plant extra nutrients during fall planting or late spring, it will have more energy to utilize when active growth resumes.
What are the sunlight requirements for Lemmon's marigold?
Lemmon's marigold thrives in conditions ranging from full sun, which is above 6 hours of sunlight, to partial sun, about 3-6 hours of sunlight. It is crucial to observe how sunlight transitions through your garden to select the ideal spots that offer a balanced mix of light and shade, ensuring the well-being of your plants. This plant benefits significantly from ample sunlight but is adaptable enough to tolerate some shade. Despite originating from sunny environments, excessive sunlight can lead to leaf scorching, while insufficient light might cause stunted growth.
What is the ideal temperature range for Lemmon's marigold, and what measures should be taken for cold protection?
Lemmon's marigold is best suited to climates where temperatures are typically between 68 to 100 °F (20 to 38 °C). This plant enjoys warm conditions but does have some level of cold tolerance. In cases where temperatures stay above 0°C, Lemmon's marigold usually doesn't require extra care against the cold. However, should the temperature drop below freezing (0°C), it is important to protect the plant using temporary measures such as covering it with plastic film, fabric, or other suitable materials. It's crucial to remove these protections once the temperature goes back up to ensure the plant's health.
What should I do if I give too much or too little water to my Lemmon's marigold plant?
When it comes to outdoor plants, especially newly planted ones or plant seedlings, not watering them enough can be a problem. It's crucial to consistently water them for a few months until they are small or just planted. Once their roots are established, Lemmon's marigold can rely on rain for most of its water needs. If you have Lemmon's marigold planted in pots, overwatering becomes more likely. If you accidentally overwater it, you need to act quickly to fix the situation. The first step is to stop watering the plant immediately to minimize the impact of overwatering. Then, remove the marigold from its pot and inspect its roots. If none of the roots show signs of root rot, it's okay to place the plant back in its container. However, if you do see signs of root rot, trim away the affected roots and consider using a fungicide to prevent further damage. Lastly, repot the marigold in well-draining soil. On the other hand, if you underwater your Lemmon's marigold, it is a simpler problem to fix. When underwatered, the plant's leaves may droop, dry out, and fall off. However, they will quickly regain their fullness once properly watered. Make sure to adjust your watering frequency when you notice signs of underwatering.
When should I fertilize my Lemmon's marigold plant?
To ensure effective fertilization of Lemmon's marigold, timing plays a crucial role. Applying fertilizer too early while the plant is still dormant is not effective and can result in wastage and pollution as it gets washed away by rainwater. It is recommended to apply the first round of fertilizer in early spring and continue monthly fertilization until early summer.
How does artificial lighting affect Lemmon's marigold indoor growth?
Indoor Lemmon's marigolds require sufficient lighting for optimal growth, especially in conditions where natural sunlight is inadequate, such as during winter or in less sunny spaces. Artificial lights, particularly LED lights, are effective in providing the essential wavelengths of light needed for growth. The right amount of artificial light depends on the nature of the plant; full sun plants need 30-50W/sq ft, partial sun plants 20-30W/sq ft, and full shade plants 10-20W/sq ft. The light source should be placed 12-36 inches above the plant, simulating natural sunlight, and it's advisable to mimic natural daylight hours, usually between 8-12 hours per day.
How frequently do I need to water my Lemmon's marigold plant?
When it comes to naturally growing outdoor plants, most of them can rely on rainfall for their water needs. However, if you live in an area with limited rainfall, you'll need to water your plants every 2 weeks in the spring and fall, and more frequently in the summer. In the winter, when plants don't grow as quickly and require less water, you can water them less often or even skip watering altogether. If you have a young or newly planted Lemmon's marigold, it's important to water it more often initially to help it establish and grow into a more adaptable and drought-tolerant plant. For potted plants, there are two main ways to determine how often to water your Lemmon's marigold. One option is to follow a set watering schedule, such as once a week or once every other week. However, this approach may not always be suitable as it doesn't consider the specific growing conditions of your marigold. Another approach is to monitor the soil moisture and water accordingly. In general, it's best to wait until the top two to four inches of soil (about ⅓ to ½ depth of the pots) have completely dried out before watering again. Keep in mind that during the summer months, your marigold will likely need more water than what a predetermined schedule suggests.
When is it not a good idea to add fertilizer to my Lemmon's marigold plant?
To ensure the optimal growth of Lemmon's marigold, it is important to be mindful of the nitrogen content in its fertilizer. Excessive nitrogen can cause an abundance of leaves but fewer blooms. Therefore, choosing a fertilizer with a lower nitrogen level compared to other nutrients is advisable. Furthermore, it is recommended not to fertilize Lemmon's marigold after the early autumn period. Fertilizing during this time can lead to excessive growth just before the winter season. Additionally, it is essential to avoid fertilizing the marigold during hot and dry periods, as dry soil does not effectively deliver fertilizer as compared to moist soil. Moreover, fertilizer application during such conditions can stimulate growth, which subsequently requires more water that may not be readily available. It is preferable to apply fertilizer earlier in the season when temperatures are cooler. Lastly, it is crucial to keep in mind that Lemmon's marigold can absorb fertilizer that has been applied to nearby plants or lawns. Therefore, precautions should be taken to avoid inadvertently providing a double-dose of fertilizer to other trees or shrubs.
What are some symptoms of inadequate lighting for Lemmon's marigold?
When Lemmon's marigold does not receive enough light, it may exhibit several symptoms indicating light deficiency. These can include smaller new leaves compared to older ones, leggy or sparse growth due to elongated spaces between leaves or stems, faster drop of older leaves as a resource-conservation measure, slower or ceased new growth, and paler or irregularly colored new leaves indicating a lack of chlorophyll. Other symptoms of too much light include chlorosis, where leaves lose their green color and turn yellow; sunscald, visible as bleached or necrotic areas on the plant; leaf curling as a defense mechanism against excessive sunlight; wilting from increased water loss; and leaf scorching characterized by brown, dry edges on leaves.
How much water does my marigold plant need?
To water your Lemmon's marigold effectively, it's important to understand its watering needs. Contrary to expectation, this plant doesn't always require a lot of water. If only a few inches of soil have dried since the last watering, providing the plant with five to ten ounces of water will support its healthy growth. You can also determine the water volume needed based on the moisture of the soil. So, it's essential to keep track of how many inches of soil have dried out between waterings. To ensure your Lemmon's marigold receives adequate moisture, water it in a way that moistens all the dry soil layers since the previous watering. If more than half of the soil has become dry, it's advisable to provide more water than usual. In such cases, continue watering until you notice excess water draining from the pot's drainage holes. However, if your Lemmon's marigold is planted in an outdoor area that receives ample rainfall, it may not require additional watering. When the plant is young or newly established, aim for 1-2 inches of rain per week. As it continues to grow and establish, it can rely solely on rainwater. Only in hot weather conditions with no rainfall for 2-3 weeks should you consider giving it a thorough watering to prevent any stress.
What kind of fertilizer does my Lemmon's marigold require?
To optimize the growth of Lemmon's marigold, it is recommended to use a fertilizer that contains a well-balanced blend of the three main plant nutrients, with slightly higher levels of phosphorus. Alternatively, some gardeners prefer enriching the soil for Lemmon's marigold by adding organic materials like compost, worm castings, and manure. In addition, experienced gardeners may choose to supplement with water-soluble fertilizers that contain phosphorus when flower buds start to appear. This helps in promoting better flower development, resulting in larger blooms that last longer. Fertilizers are available in various forms, and most of them work well for Lemmon's marigold. However, liquid or powdered fertilizers are often considered the best options. Regardless of the form, it is essential to dilute the fertilizer and apply it while watering the Lemmon's marigold plant.