Veronica polita
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Veronica polita

Gray field speedwell · Grey field speedwell · Wayside speedwell · Grey Speedwell · Gray Speedwell

Tier 1 Difficulty: medium Water: low Light: full_sun
Water every
7 days
Temperature
5–25 °C
Soil pH
5–7
Hardiness
Zone 5–5
Click count
639
Observations
2,015

Description

Source: leafsnap

Veronica polita, commonly known as the Royal Blue Speedwell, is a perennial herbaceous plant in the Plantaginaceae family. Native to Europe and Asia, it has been introduced to North America as an ornamental plant. This plant grows up to 30 cm in height and has a spreading habit, featuring numerous stems that bear small blue flowers from late spring through summer. Its leaves are lance-shaped, dark green, and arranged oppositely on the stem. The Royal Blue Speedwell thrives in well-drained soils with full sun exposure but can also tolerate partial shade. It is easy to grow and requires minimal maintenance once established. Propagation can be done through division or seeds. The Royal Blue Speedwell is known for its medicinal properties, including anti-inflammatory, antiseptic, and diuretic effects. These properties make it useful for treating various ailments such as respiratory infections and urinary tract infections. In addition to its medicinal uses, Veronica polita is prized for its ornamental value. Its attractive blue flowers make it a popular choice for gardeners seeking low-maintenance plants with vibrant colors. Overall, Veronica polita is a charming herbaceous perennial that offers both aesthetic appeal and medicinal benefits, making it a valuable addition to gardens and natural landscapes alike.

Care Guide

💧 Water Every 7 days

Gray field speedwell flourishes in temperate regions, where it prefers soil that consistently retains moisture but is not waterlogged. To keep the plant well-hydrated, water it weekly. When grown outdoors, the plant can also benefit from natural rainfall. This balance of watering ensures sufficient moisture throughout its growth cycles, promoting healthy development.

Suggested frequency: Every 7 days
FAQ
How should I water my Gray field speedwell plant?

To water Gray field speedwell, you have several options. You can use a garden hose with a spray nozzle, a watering can, or any common watering tool. This plant is not too picky about the source of water - rainwater, tap water, or filtered water will all suffice. However, it's best to avoid watering from overhead as it can damage the leaves and flowers and may cause disease. Instead, consider setting up a drip irrigation system, which will provide even and direct water to the soil. If you have a container-grown Gray field speedwell, the same watering method applies, but you can use a cup, watering can, or tap to apply water directly to the soil.

What should I do if I give my Gray field speedwell too much water or not enough water?

Underwatering Gray field speedwell can be resolved by simply increasing the frequency of watering when you notice the lack of moisture. On the other hand, overwatering is a more serious issue that can lead to diseases and the decline and death of the plant. To prevent this, it is important to choose a suitable location for growing Gray field speedwell that receives ample sunlight to dry the soil and has good drainage to prevent waterlogging. If your overwatered Gray field speedwell is in a pot, you may need to transfer it to a new pot with better drainage and loose soil.

How often should I water my Gray field speedwell plant?

Gray field speedwell requires regular watering throughout the growing season. In spring, it is recommended to water this plant once a week. As the season progresses and temperatures rise, you may need to water it two to three times a week. However, overwatering can harm the plant, so it's important to ensure that the soil is moist but not wet. When growing Gray field speedwell in a pot, watering needs may be slightly different. Generally, you will need to water container-grown plants more frequently as the soil in pots can dry out faster compared to ground soil. In most cases, watering a potted Gray field speedwell should be done a few times per week, rather than just once per week for plants in the ground.

How much water does my Gray field speedwell plant need?

There are a few ways to decide how much water to give your Gray field speedwell. The first option is to feel the soil to determine its moisture level. In this case, water until the top six inches of soil feel moist. Another approach is to use a specific measurement, such as two gallons per week, depending on the heat and soil dryness. However, be cautious with this method as it could result in overwatering if the plant actually needs less water. When growing Gray field speedwell in a container, a different method is needed. In this case, water enough to moisten all layers of dry soil. To check, you can stick your finger in the soil and feel for moisture or water until you see a slight trickle of excess water coming out of the pot's drainage holes.

How can I know if I'm giving enough water to my Gray field speedwell?

It can be challenging to properly water your Gray field speedwell due to its specific needs. These plants have deep roots that need regular moisture, but they are also prone to root rot if overwatered. Overwatering can cause browning in the plants. On the other hand, underwatering is less of a concern as Gray field speedwell can survive without extra watering for a period of time. However, if they are not watered for too long, they may start to wilt and their leaves will become dry.

☀️ Light Full sun

The Gray field speedwell meets most of its photosynthetic needs in strong sunlight. It can endure moderate light, but its health and growth are reduced. Coming from open areas, abundant light is typical of its natural habitat. Too little light hampers its growth, and excessively intense light is harmful as well.

Ideal: Full sun
FAQ
What are the sunlight requirements for Gray field speedwell?

Gray field speedwell requires full sun, which translates to over 6 hours of sunlight, but it can also grow in partial sun, receiving about 3-6 hours of sunlight daily. It's crucial to observe the movement of sunlight in your garden carefully and select locations that ensure an optimal balance of light and shade to meet the needs of your plants.

How does inadequate or excessive sunlight affect Gray field speedwell?

Gray field speedwell thrives in environments rich in sunlight, as it originates from open spaces. Insufficient light leads to diminished health and slower growth, while extremely intense light can be detrimental. Indoor plants especially need adequate lighting, and in cases where natural light is insufficient, artificial lighting such as LEDs, which can be optimized to provide necessary wavelengths, become essential. Proper lighting conditions include selecting the right amount of wattage per square foot depending on the plant's sun requirements, properly spacing the light source from the plant, and ensuring an adequate duration, typically between 8-12 hours of light per day, to mimic natural daylight conditions.

What symptoms indicate light deficiency or excessive sunlight in Gray field speedwell?

When Gray field speedwell is grown under inadequate lighting conditions indoors, it might show symptoms such as small new leaves, leggy or sparse growth, faster leaf drop, and a halt in new growth, indicating light deficiency. On the other hand, symptoms of excessive sunlight exposure include chlorosis, sunscald, leaf curling, wilting, and leaf scorching. These signs reflect the plant's struggle with inappropriate light levels, affecting its ability to perform photosynthesis efficiently and maintain overall health.

What solutions can address light-related issues in Gray field speedwell both indoors and outdoors?

To mitigate light-related issues in Gray field speedwell, consider gradually moving the plant to sunnier locations until it receives the desired amount of sunlight, at least 6 hours per day, for outdoor plants. Use south-facing windows and keep curtains open for indoor plants, or supplement with artificial light for at least 8 hours daily if the plant is large or not easily moved. It's crucial to avoid sudden changes in light intensity to prevent sunburn. If sunlight is blocked by physical obstructions like trees, consider pruning or transplanting smaller plants during their dormant period to brighter areas. Note that parts of the plant already affected by inadequate light may not recover, but new growth should be healthy with improved light conditions.

🌡️ Temperature 5–25°C

Gray field speedwell is native to temperate climate zones, and thus prefers temperatures between 68 and 95 degrees Fahrenheit (20 to 35 degrees Celsius). Seasonal temperature adjustments can be used to replicate its natural environment.

Ideal temperature: 5–25°C
FAQ
What is the ideal temperature range for Gray field speedwell?

Gray field speedwell, botanically known as Veronica polita, thrives in moderate climatic zones. It prefers a temperature range between 68 to 95 degrees Fahrenheit (20 to 35 degrees Celsius). To ensure the plant's healthy growth, it's important to replicate its native environment condition as much as possible, especially if you're located in a region with different seasonal temperatures.

How does Gray field speedwell handle cold weather?

Gray field speedwell is exceptionally cold-tolerant and can withstand winter conditions without needing special frost protection. However, to help it through the colder months, it is advisable to water the plant generously before the first freeze of autumn. This practice helps the soil to stay moist and enter a frozen state securely, which in turn prevents drought and water scarcity for the plant during winter and early spring. Despite its cold resilience, it is important to ensure that winter temperatures do not drop below -25\u00b0C (-13\u00b0F), as this could adversely affect the plant's ability to sprout in spring.

What should I do if the temperature drops below -25\u00b0C?

If temperatures fall below -25\u00b0C, Gray field speedwell may experience difficulty in sprouting come spring, with a possible decrease in sprouting or even failure to sprout at all. Should this occur, it is recommended to remove the parts of the plant that have failed to sprout as part of your spring care routine. This helps in promoting the growth of new, healthy parts of the plant.

How does Gray field speedwell react to high temperatures?

Gray field speedwell does not fare well in high temperatures above 35\u00b0C (95\u00b0F). Beyond this temperature threshold, its growth can halt, and the plant may become more susceptible to rot. In such conditions, you should trim away any sunburned or dried-up parts of the plant. Additionally, moving the plant to a shaded area or utilizing shade cloth to protect it from the midday and afternoon sun can be beneficial. It's also advisable to water the plant in the morning and evening to keep the soil moist, helping the plant to cope with the heat.

💨 Humidity
Humidity:
🪴 Soil 5-7
Soil pH: 5-7
🌱 Fertilizer

Gray field speedwell responds well to regular, light applications of fertilizer to encourage healthy leaf development. Fertilize Gray field speedwell about once a month during the summer. Nitrogen is important for foliage, and adding nitrogen-rich sources helps Gray field speedwell thrive.

🪴 Pot & Repot
✂️ Pruning

To maintain the appearance and health of gray field speedwell, regularly remove withered flowers. This helps improve nutrient efficiency and keeps the plant looking its best. For managing flowering, prune on sunny mornings and allow a 20-day recovery period after pruning. In early spring, trim back any yellowed growth to promote new growth as temperatures rise above 0℃ (32℉).

🌿 Propagating
🐛 Diseases & pets
☠️ Toxicity

Characteristics

Plant Type
Herb
Life Cycle
Annual
Genus
Veronica
Family
Plantaginaceae
Hardiness Zone
5
Mature Height
30 cm
Mature Spread
49 cm
Leaf Color
Green, Dark Green
Leaf Type
Semi-evergreen
Flower Color
Blue
Flower Size
2.54 cm
Bloom Time
Spring
Planting Time
Spring, Summer, Autumn
Harvest Time
Late spring, Early summer, Mid summer

Tags (4)

Common Names (5)

en Gray field speedwell
en Grey field speedwell
en Wayside speedwell
en Grey Speedwell
en Gray Speedwell