Digitalis parviflora, the small-flowered foxglove, is a species of flowering plant in the plantain family Plantaginaceae. It is endemic to northern and central Spain. It grows at (rarely 200-) 500-2000 metres in altitude.It was first described as a species by Nikolaus Joseph von Jacquin in the first half of the 1770s. The Latin specific epithet parviflora means "with small flowers".
Small yellow foxglove is fairly disease-resistant and usually does not suffer from many illnesses. Nevertheless, it can be vulnerable to pests and diseases present in its environment. These problems are typically not serious. For care, this plant needs moderate maintenance. It should be pruned regularly to preserve a neat appearance and support healthy growth. Fertilizing can also help encourage flowering. Small yellow foxglove is well suited to anyone with outdoor space, such as a garden or patio, and does not require extensive experience in plant care. It may need extra attention if grown indoors.
How to keep Digitalis Parviflora.
Light
Small yellow foxglove is a perennial herbaceous plant that prefers sunny conditions and comes from open habitats, commonly growing in meadows and grasslands. It favors full sun but can also tolerate partial sun conditions.
Water
The small yellow foxglove thrives in consistently moist soil, typical of temperate woodlands. Once established, it shows moderate drought tolerance. Ideally, it should be watered weekly to mimic its native conditions. This plant grows well outdoors, particularly in regions where rainfall patterns resemble its natural habitat, which supports its seasonal growth cycle.
Temperature
Small yellow foxglove can adapt to a wide range of temperatures, but its distribution may still be limited by different combinations of water and heat. It does best in warm summer conditions with sufficient rainfall or watering. Extended stretches of cloudy, rainy weather or sustained high temperatures increase the chance that Small yellow foxglove will die. In winter, proper protection against cold can raise the plant's survival rate.
Fertilizer
The ideal time to fertilize a Small yellow foxglove is in early spring, as it emerges from dormancy and begins active growth. Fertilizing supplies essential nutrients for healthy development. Although Small yellow foxglove has relatively low fertilizer requirements, applying fertilizer once a year can boost its survival and produce better, longer-lasting flowers.
Pruning
To help small yellow foxgloves thrive, it's important to prune them effectively from early to late spring. Remove any dead or damaged stems, as well as spent flower spikes, to encourage better growth and more abundant blooms. Avoid heavy pruning, as it can stress the plants. Regular maintenance not only improves air circulation but also reduces the risk of disease and enhances the overall vitality of your plants.
Botanical profile.
- Plant Type
- Herb
- Life Cycle
- Perennial, Annual
- Genus
- Digitalis
- Family
- Plantaginaceae
- Hardiness Zone
- 4-8
- Mature Height
- 61 cm
- Mature Spread
- 30 cm
- Leaf Color
- Green
- Leaf Type
- Semi-evergreen, Deciduous
- Flower Color
- Tan
- Flower Size
- 1.52 cm to 2.03 cm
- Bloom Time
- Early summer, Mid summer
- Planting Time
- Spring
- Harvest Time
- Late summer, Early fall
- Native Area
- Spain
Other names.
Reader questions.
How should I water my little yellow foxglove plant?
To properly care for the Small yellow foxglove, it is important to use filtered water at room temperature. Tap water can contain harmful particles, so filtered water is preferred. The reason for using room temperature or slightly warmer water is that the Small yellow foxglove is accustomed to a warm environment and cold water can be a shock to its system. It is best to avoid overhead watering, as this can cause issues with the foliage. Instead, simply water the soil with the filtered room temperature water until it is thoroughly soaked. This helps to moisten the roots and promote their spread through the soil, ensuring they receive the necessary nutrients.
Why should I add plant food to my Small yellow foxglove?
The main structure of the Small yellow foxglove is made up of its leaves. Fertilization plays a significant role in ensuring that these leaves are both visually appealing and functional. By fertilizing properly, you can help the Small yellow foxglove maintain consistent leaf color and a healthy texture. Fertilization also benefits the plant's root system by promoting the growth of new roots and maintaining existing ones. This not only contributes to the plant's current health but also enhances its ability to absorb nutrients from the soil in the future.
What are the sunlight requirements for Small Yellow Foxglove?
Small yellow foxglove thrives under full sun conditions, requiring above 6 hours of sunlight daily, but it can also tolerate partial sun conditions, which means about 3-6 hours of sunlight. Observing how sunlight moves through your garden is crucial to choosing the best spots that provide the right balance of light and shade, ensuring your plants' health and happiness.
What should I do if I give too much or too little water to my small yellow foxglove?
Overwatering is a common problem for Small yellow foxglove plants and can cause wilting, yellowing leaves, and potentially fatal diseases like root rot, mold, and mildew. While underwatering is less common due to the plant's drought tolerance, it can cause brittle, brown leaves. It's important to recognize the signs of overwatering early so you can take action. Reduce watering if you notice these signs and consider replacing poorly draining soil with a loose, well-draining potting mix. If your plant shows signs of underwatering, simply increase watering until the signs improve.
When should I fertilize my Small yellow foxglove for the best results?
If you grow your Small yellow foxglove outdoors each year, you'll notice new growth shooting out in early spring. This is when you should start fertilizing for the year. Typically, one application of fertilizer in the spring is enough for a Small yellow foxglove to thrive. However, if you want to maximize its growth, you can fertilize it multiple times during the spring and early summer. In this case, you can feed your Small yellow foxglove once every month to a month and a half.
How can artificial lighting be used for Small Yellow Foxglove indoors?
When natural sunlight is insufficient for Small Yellow Foxglove, especially during less sunny seasons or in less sunny spaces, artificial lighting can be a vital solution. LED lights are recommended because they can be customized to provide specific wavelengths of light that plants need. Full sun plants should have 30-50W/sq ft of artificial light, partial sun plants 20-30W/sq ft, and full shade plants 10-20W/sq ft. The artificial light source should be placed 12-36 inches above the plant to mimic natural sunlight, and the duration should reflect natural daylight hours, typically 8-12 hours per day.
How frequently should I water my Small yellow foxglove?
If your Small yellow foxglove is in a pot, you can determine if it needs water by sticking your finger into the soil. If the top two to three inches of soil are dry, then it's time to water it. If you're growing the Small yellow foxglove outdoors in the ground, you can use the same method to test the soil. Once the first few inches of soil have dried out, it's time to water it. Typically, during spring and early fall, you'll need to water this plant about once a week. However, during extremely hot weather, you may need to water it two or more times per week. It's worth noting that mature, well-established Small yellow foxgloves can withstand drought quite well.
When is the best time to not fertilize my Small yellow foxglove?
During the late fall and winter, your Small yellow foxglove will go into a dormant phase and stop growing. It's important not to fertilize it during this time. In the spring and summer, if you choose to fertilize, you should gradually decrease the amount as summer approaches because the plant's growth slows down. It's never a good idea to fertilize when the weather is unusually hot or the soil is extremely dry, as this can cause stress and lead to the plant dying prematurely.
What are the symptoms of light deficiency in Small Yellow Foxglove?
Symptoms of light deficiency in Small Yellow Foxglove include smaller new leaves, leggy or sparse growth, faster leaf drop, slower or halted new growth, and lighter-colored new leaves. Chlorosis, or the loss of green color in leaves, may also occur due to insufficient sunlight, as can sunscald, which damages plant tissues with intense exposure. Additionally, leaf curling, wilting, and leaf scorching are common symptoms, indicating exposure to excessive sunlight or inadequate light conditions.
How much water does my little yellow foxglove plant need?
To properly water your Small yellow foxglove, don't be afraid to give it a generous amount of water. Make sure the top 2-3 inches of soil are dry before watering, then thoroughly soak the soil. The water should be enough to cause excess water to flow out of the pot's drainage holes. If you don't see any excess water draining, you may not have watered enough. However, be careful not to let water accumulate in the soil as that can harm the plant. On the other hand, if water doesn't drain well through the pot, it's important to avoid using poorly draining soils as they can negatively affect the plant's health. If the plant is outside, it will only need about 1 inch of rainfall per week.
What kind of fertilizer does my Small yellow foxglove plant require?
Choosing the right fertilizer for a Small yellow foxglove is actually quite simple. These plants thrive on a general-purpose garden fertilizer that contains equal parts of nitrogen, phosphorus, and potassium - ideally in a ratio of 10-10-10. It's best to avoid fertilizers with excessive nitrogen content. Granular fertilizers are most recommended for Small yellow foxgloves, preferably slow-release types that are easy to apply to the soil. Additionally, using organic soil amendments like compost can also be beneficial for feeding your Small yellow foxglove.
What solutions are recommended for addressing light deficiency in Small Yellow Foxglove?
To address light deficiency in Small Yellow Foxglove, gradually move plants to sunnier locations until they receive at least 6 hours of direct sunlight daily. For indoor plants that are large or not easily movable, consider providing additional light with a desk or ceiling lamp for at least 8 hours daily, or invest in professional plant grow lights. If you're dealing with outdoor plants, ensure a gradual adaptation to prevent sunburn. Reducing obstructions like pruning trees can also help increase sunlight exposure. During the plant’s dormant period, consider transplanting smaller plants to a location with better sunlight and drainage. Remember, parts of the plant affected by insufficient sunlight may not recover, but new growth should be healthy once optimal light conditions are established.