Asarina procumbens
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Asarina procumbens

Trailing-snapdragon · Creeping Snapdragon

Tier 1 Difficulty: medium Water: high Light: partial_sun Toxicity: low
Water every
7 days
Temperature
15–35 °C
Soil pH
6–7
Hardiness
Zone 7–10
Click count
85
Observations
396

Description

Source: leafsnap

Asarina procumbens, commonly known as trailing snapdragon or creeping snapdragon, is a low-growing perennial plant that belongs to the family Plantaginaceae. Native to Mexico and Central America, it is often cultivated as an ornamental plant in gardens and containers. This plant has a trailing habit, with stems that can reach up to 2 feet in length. Its small, oval-shaped leaves have a slightly fuzzy texture. The tubular flowers, which feature five lobes that flare out at the end, come in shades of pink or purple with yellow throats. Asarina procumbens prefers well-draining soil and partial shade but can also tolerate full sun if it receives adequate water. It blooms from late spring through summer and may continue to flower sporadically throughout the year under favorable conditions. The plant's nectar-rich flowers attract pollinators such as bees and butterflies. Additionally, it holds medicinal value in traditional Mexican medicine for treating respiratory ailments like coughs. Overall, Asarina procumbens is an attractive, low-maintenance perennial that adds both color and interest to gardens and container plantings, while also providing ecological benefits for pollinators.

Care Guide

💧 Water Every 7 days

Trailing snapdragons thrive in consistently moist conditions, needing weekly watering to keep the soil evenly moist without becoming waterlogged. These plants are typically grown indoors, where they benefit from controlled humidity levels, especially during the active growing season. This helps ensure their optimal growth and health.

Suggested frequency: Every 7 days
FAQ
How should I water my Trailing snapdragon?

To ensure the well-being of your Trailing snapdragon, it is recommended to water it with filtered water at room temperature. Tap water may contain harmful particles, so it's better to use filtered water. It is important to note that cold water can be a shock to the plant's system, as it originates from a warm environment. Therefore, it is advisable to avoid using cold water. Additionally, overhead watering should be avoided as it can cause issues with the foliage. Instead, the preferred method is to apply filtered room temperature water directly to the soil, ensuring that the soil becomes completely soaked. This will benefit the plant by moistening the roots and aiding in their spread through the soil, allowing them to gather the necessary nutrients.

What should I do if I give my Trailing snapdragon too much water or not enough water?

It's important to be cautious of both overwatering and underwatering your Trailing snapdragon. However, overwatering is a more common issue. Too much water can cause wilting and yellowing of the stems and leaves, and long-term overwatering can lead to diseases like root rot, mold, and mildew which can be fatal to the plant. Underwatering is less common, as the Trailing snapdragon is somewhat drought-tolerant. But it is still a possibility, and in such cases, the leaves may become brittle and brown. Detecting signs of overwatering early is crucial, as some diseases like root rot may not be fixable if not addressed promptly. If early signs are observed, reduce the watering schedule immediately and assess the soil quality. If the soil doesn't drain well, replace it with loose, well-draining potting mix. Conversely, if signs of insufficient water are noticed, increase watering until the signs subside.

How frequently do I need to water my Trailing snapdragon plant?

If your Trailing snapdragon is in a pot, the most precise way to determine if it needs water is by checking the soil. Stick your finger into the soil and if the top two to three inches are dry, it's time to water it. If you're growing your Trailing snapdragon outdoors in the ground, you can use a similar method to test the soil. Once again, if the top few inches of soil have dried out, it's time to water. Typically, during the spring and early fall, watering about once a week is sufficient. However, during extremely hot weather, you may need to water it twice a week or even more frequently. It's worth noting that mature and well-established Trailing snapdragons have an impressive ability to withstand drought.

How much water does my Trailing snapdragon require?

When watering your Trailing snapdragon, don't hold back on the amount of water you give. Make sure the top few inches of soil are dry, and then give the plant a deep watering that completely saturates the soil. The water should flow through the drainage holes at the bottom of the pot. If you don't see excess water draining, you may not have given enough water. However, be careful not to let water accumulate in the soil, as this can be harmful to the plant. If there is no drainage, it could be an indication of poorly draining soil, which is not good for the plant's health. If the plant is outside, it generally needs about 1 inch of rain per week.

How do I water my Trailing snapdragon as it grows?

The water needs of the Trailing snapdragon vary based on its growth stages. When the plant is young or recently transplanted, it requires more water to support root development for future growth. As the plant matures, it needs less water. Additionally, during the bloom period, the plant may need extra water to support flower development.

☀️ Light Partial sun

Trailing snapdragon prefers a spot with moderately filtered sunlight; it does best where the light is not continuously intense. Coming from habitats where the sun’s rays are not always strong, it tolerates places with ample light but can become stressed by prolonged intense exposure, causing growth problems.

Ideal: Partial sun
FAQ
What are the sunlight requirements for Trailing Snapdragon?

Trailing Snapdragon (Asarina procumbens) thrives in conditions ranging from partial to full sun. Partial sun refers to areas that receive about 3-6 hours of sunlight daily, whereas full sun areas receive more than 6 hours of sunlight. The ideal location for these plants should balance light and shade, avoiding extreme exposure that could lead to stress and growth issues. Notably, Trailing Snapdragon originates from environments where sunlight intensity varies, making it adaptable yet sensitive to prolonged direct sunlight.

How important is artificial lighting for indoor Trailing Snapdragon plants?

Artificial lighting is crucial for the growth of indoor Trailing Snapdragon plants, especially in scenarios where natural sunlight is insufficient, such as during winter or in less sunny locations. Adequate lighting ensures faster and healthier plant growth. LED lights are recommended as they can be tailored to provide specific light wavelengths needed by the plant. Depending on the required sunlight exposure, full sun plants should receive 30-50W/sq ft, partial sun plants 20-30W/sq ft, and full shade plants 10-20W/sq ft of artificial light. The light source should be placed 12-36 inches above the plant for 8-12 hours a day to mimic natural daylight conditions.

What are the signs of insufficient light in Trailing Snapdragon?

When Trailing Snapdragon does not receive adequate light, several symptoms may manifest, including smaller new leaves, leggy or sparse growth, faster leaf drop, no new growth, lighter-colored new leaves, and symptoms specific to excessive sunlight like chlorosis, sunscald, leaf curling, wilting, and leaf scorching. These signs indicate the plant's struggle with adapting to its lighting conditions, whether too little or too much, affecting its health and growth.

What solutions can help Trailing Snapdragon with insufficient or excessive light?

To address light issues with Trailing Snapdragon, indoors, gradually move the plant towards sunnier spots to achieve 3-6 hours of direct sunlight daily or use artificial lighting for at least 8 hours a day. Outdoors, adapt the plants to increasing sunlight by gradually relocating them weekly to avoid sunburn. If sunlight is blocked by obstructions such as trees, consider pruning to allow more light through. For smaller plants that can be moved, transplanting during their dormant period (late winter or early spring) to a location with better sunlight and drainage is beneficial. Note that parts of the plant already damaged by improper light exposure may not recover, but new growth should be healthy with proper light adjustment.

🌡️ Temperature 15–35°C

Trailing snapdragon originates from temperate regions and does best in temperatures between 59 and 95 °F (15 to 35 ℃). In winter, if the temperature drops below this preferred range, it's important to adjust the surrounding conditions to keep the trailing snapdragon at optimal warmth.

Ideal temperature: 15–35°C
FAQ
What is the ideal temperature range for trailing snapdragon?

Trailing snapdragon, scientifically known as Asarina procumbens, thrives in temperate regions with an ideal temperature range of 59 to 95 °F (15 to 35 °C). It is important to maintain the environment within this range, especially during winter, to keep the plant at optimal warmth. Despite its strong cold resistance, in extremely cold winters where temperatures are expected to drop below -15°C, it is crucial to provide cold protection by covering the plant with soil or straw and ensuring the soil remains moist before the first freeze.

How does trailing snapdragon react to low temperatures?

Trailing snapdragon is cold-tolerant but thrives best when temperatures are above 15°C. During winter, it is advisable to keep the plant above -10°C. If temperatures fall below -15°C, the plant might not show immediate changes during winter, but there could be a decrease in sprouting or even no sprouting at all come springtime. To address this, any part that has failed to sprout in spring should be removed to encourage new growth.

What should be done if trailing snapdragon experiences high temperatures?

During the summer, it is important to keep trailing snapdragon's surrounding temperatures below 35°C. If the temperatures exceed 41°C, the plant's leaves may turn lighter, become prone to curling, suffer from sunburn, and in severe cases, the entire plant may wilt and dry out. To help the plant recover from excessive heat, trim away the sunburned and dried parts. Moreover, moving the plant to a shaded area during the midday and afternoon sun, or using a shade cloth, can be beneficial. Ensuring that the plant is watered in the morning and evening will keep the soil moist and help prevent heat stress.

💨 Humidity
Humidity:
🪴 Soil 6-7
Soil pH: 6-7
🌱 Fertilizer

The best time to fertilize a Trailing snapdragon is in early spring, as it comes out of dormancy and starts active growth. Fertilizing supplies essential nutrients needed for healthy development. While Trailing snapdragon requires relatively little fertilizer, applying it annually can improve its survival and encourage better, longer-lasting blooms.

FAQ
Why should I put fertilizer on my Trailing snapdragon?

Fertilization plays a crucial role in the growth of Trailing snapdragons and other plants. It provides essential nutrients for both above-ground and below-ground growth. Although Trailing snapdragons have relatively low fertilization needs and can survive without it, annual fertilization can be highly beneficial. It helps maintain the plant's health and may improve the quality and longevity of its flowers. Therefore, those who want their Trailing snapdragon to look its best should prioritize annual fertilization.

When should I fertilize my Trailing snapdragon to get the best results?

The best time to fertilize a Trailing snapdragon is in late winter to early spring when it is transitioning from dormancy to active growth. Fertilizing at this time sets the plant up for a healthy season of growth. Additionally, fertilizing in the fall is acceptable, but it is not recommended in the summer or winter.

When is the best time to not add fertilizer to my Trailing snapdragon?

To properly fertilize your Trailing snapdragon, it is important to only do so in late winter or early spring. This plant has low fertilization needs, so a single annual feeding is sufficient. Avoid fertilizing during spring, summer, and fall to prevent overfertilization and its complications. However, if you didn't fertilize in spring, it is acceptable to feed the plant in fall. Additionally, refrain from fertilizing during the winter as the plant is in a dormant phase and won't experience new growth.

What kind of fertilizer does my Trailing snapdragon require?

When caring for a Trailing snapdragon, any general-purpose fertilizer with a balanced amount of the three main plant nutrients will work well. However, some nutrient blends are even more beneficial. For example, many gardeners believe that higher levels of phosphorus can strengthen roots and enhance flower growth. Therefore, using a phosphorus-rich fertilizer may be the best choice for a Trailing snapdragon. You can use either a granular or liquid fertilizer as long as it contains plenty of nutrients. Aside from manufactured fertilizers, you can also use organic methods to improve the soil for your Trailing snapdragon. Compost, manure, and similar materials can greatly contribute to creating a healthy growing medium for the plant.

How do I help my Trailing snapdragon grow better?

To fertilize a Trailing snapdragon, the most common method is to use granular or pellet fertilizer on the soil surrounding the plant. It is important to fertilize when the plant is transitioning from its dormant winter phase to active growth. In early spring, wait until shoots begin to emerge from the soil before applying the fertilizer. Alternatively, some people opt for liquid fertilizer, which should be mixed with water before application. Regardless of the fertilizer type, it is advisable to dampen the soil before, during, and after applying fertilizer.

🪴 Pot & Repot
✂️ Pruning

Trailing snapdragons are known for their vibrant, cascading foliage and snapdragon-like flowers. To keep them healthy and promote blooming, prune them between late winter and early spring. Remove any dead stems and trim back overgrown areas to stimulate new growth. Proper pruning not only revitalizes the plant but can also extend its blooming period.

🌿 Propagating
🐛 Diseases & pets
☠️ Toxicity

Characteristics

Plant Type
Herb
Life Cycle
Perennial
Genus
Asarina
Family
Plantaginaceae
Hardiness Zone
7-10
Mature Height
0 cm to 8 cm
Mature Spread
49 cm
Leaf Color
Green
Leaf Type
Evergreen
Flower Color
Yellow, White
Flower Size
2.03 cm to 3.56 cm
Bloom Time
Late spring, Summer, Fall
Planting Time
Spring, Summer
Harvest Time
Mid summer, Late summer, Fall, Early winter
Native Area
Spain, France

Tags (19)

Common Names (2)

en Trailing-snapdragon
en Creeping Snapdragon