Gilia capitata
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Gilia capitata

Globe Gilia · Blue thimble-flower · Bluehead gilia · Blue-thimble-flower · Blue Field Gilia

Tier 1 Difficulty: medium Water: low Light: full_sun
Water every
7 days
Temperature
15–35 °C
Soil pH
6–7
Hardiness
Zone 7–10
Click count
230
Observations
467

Description

Source: leafsnap

Gilia capitata is a species of flowering plant in the phlox family known by the common names blue-thimble-flower, bluehead gilia, blue field gilia, and globe gilia.

Care Guide

💧 Water Every week

Blue Field Gilia is drought-resistant and thrives in dry habitats with minimal moisture. Ideally, it should be watered once a week. During seasonal rains, it blooms profusely by effectively utilizing the infrequent rainfall to maintain its water balance.

Suggested frequency: Every week
FAQ
How should I water my Blue Field Gilia plant?

To water Blue Field Gilia, you have a few options: a garden hose with a spray nozzle, a watering can, or any common watering tool. This plant is not too particular about the type of water it receives - rainwater, tap water, and even filtered water will do. However, it's best not to water this plant from above, as it can harm the leaves, flowers, and potentially cause disease. Instead, a drip irrigation system is a great way to water Blue Field Gilia as it evenly applies water directly to the soil. If you're growing Blue Field Gilia in a container, you can follow a similar watering approach, using a cup, watering can, or tap water to apply water directly to the soil.

What should I do if I give my Blue Field Gilia too much or too little water?

If you notice that your Blue Field Gilia lacks moisture, the solution is simple: water it more regularly. However, overwatering can be a serious problem that can lead to disease and death. To avoid this, choose a location with plenty of sunlight to dry the soil and good drainage to prevent water from pooling. If you overwater a potted Blue Field Gilia, consider changing it to a pot with better drainage. When repotting, use loose soil and an efficient-draining pot.

How often do I need to water my Blue Field Gilia?

To properly care for your Blue Field Gilia, it's important to water it regularly throughout the growing season. In spring, watering once per week should be sufficient. However, as the season progresses and temperatures rise, you may need to increase watering to two or three times per week. Be careful not to exceed this rate as it can harm the plant. Regardless of the watering frequency, the soil should be kept relatively moist, but not overly wet. When it comes to watering potted Blue Field Gilia, you should increase the watering frequency compared to plants in the ground. Potted soil can heat up and dry out more quickly, so watering a few times per week is generally recommended. On the other hand, in-ground plants only need to be watered once per week.

How much water does my Blue Field Gilia plant require?

Determining how much water to give your Blue Field Gilia can be done in a few different ways. Some gardeners prefer to rely on tactile cues, feeling the soil to assess its moisture level. According to this method, you should water until the top six inches of soil feels moist. Another approach is to use a specific measurement as a guideline. Typically, Blue Field Gilia plants require around two gallons of water per week, but this can vary depending on factors like temperature and how quickly the soil dries out. However, it's important to keep in mind that rigidly following these guidelines may result in overwatering if your plant needs less water. When growing Blue Field Gilia in a container, a different method is required to determine the right amount of water. In this case, you should aim to moisten all the dry layers of soil. You can check for moisture by simply inserting your finger into the soil. Another way is to water until you notice a small amount of excess water draining out from the bottom of the pot.

How do I know if I'm giving enough water to my Blue Field Gilia plant?

Caring for your Blue Field Gilia can be tricky when it comes to watering. These plants have deep roots that need to be moistened weekly, but they are also highly prone to root rot. Overwatering can lead to browning and other issues. Underwatering is less of a concern as these plants can survive without supplemental watering for a while, but if they go too long without water, they will start to wilt and develop dry leaves.

☀️ Light Full sun

Blue Field Gilia prospers in places where the sun’s rays are unblocked, implying a preference for direct, unfiltered sunlight. Native to habitats with uninterrupted sun exposure, its vigor depends on those lighting conditions. Insufficient solar exposure limits its growth, while too much sunlight does not cause problems.

Ideal: Full sun
FAQ
What are the sunlight requirements for Blue Field Gilia?

Blue Field Gilia requires full sun, meaning it needs above 6 hours of sunlight to thrive. It's essential to observe how sunlight moves through your garden to select spots that provide a perfect balance of light and shade, ensuring the plants' happiness. These plants originate from environments with unobstructed sunlight, and their health is heavily dependent on such conditions. Insufficient sunlight can hinder their growth, but they generally do well with ample sun exposure.

How can artificial lighting supplement sunlight for Blue Field Gilia indoors?

When natural sunlight is insufficient, especially during winter or in darker spaces, artificial lighting can provide a vital source of light for indoor Blue Field Gilia plants, promoting healthier growth. LED lights are recommended because they can be customized to offer specific wavelengths needed by your plants. The amount of artificial light required varies by plant type; full sun plants need 30-50W/sq ft, partial sun plants require 20-30W/sq ft, and full shade plants need 10-20W/sq ft. The light source should be placed 12-36 inches above the plant and kept on for 8-12 hours daily to mimic natural daylight hours optimally.

What are the symptoms of insufficient or excessive sunlight in Blue Field Gilia?

Symptoms of insufficient sunlight in Blue Field Gilia include smaller new leaves, leggy or sparse growth, faster leaf drop, slowed or halted growth, and pale or irregularly colored new leaves. Conversely, excessive sunlight can cause chlorosis (yellowing of leaves due to chlorophyll breakdown), sunscald (bleached or necrotic areas on leaves or stems), leaf curling, wilting, and leaf scorching (brown, dry edges on leaves). These symptoms indicate the plant's struggle to adapt to its lighting conditions.

How can you address issues related to sunlight exposure for Blue Field Gilia?

For optimal growth indoors, gradually move Blue Field Gilia plants to sunnier locations until they receive at least 6 hours of direct sunlight daily, using south-facing windows for natural light and considering artificial grow lights for additional support. Outdoors, adapt plants to sunnier spots gradually to avoid sunburn. Minimize obstructions by pruning or relocating plants to areas with better sunlight and drainage. While parts of the plant damaged by incorrect light exposure may not recover, new growth will be healthy following adjustments.

🌡️ Temperature 15–35°C

Blue Field Gilia prospers in its native habitat at temperatures of 68 to 95 °F (20 to 35 ℃). Seasonal adjustments are recommended to match these conditions. Temperatures outside this range may harm the plant.

Ideal temperature: 15–35°C
FAQ
What are the ideal temperature requirements for Blue Field Gilia?

Blue Field Gilia thrives best when the temperature is maintained between 68 to 95°F (20 to 35°C). To ensure healthy growth, it's recommended to make seasonal adjustments to align with these temperature requirements. It's essential to avoid exceeding these values, as doing so may harm the plant. Although Blue Field Gilia has strong cold resistance and usually doesn't require special frost protection measures during winter, precautions are necessary if winter temperatures are expected to drop below -15°C. Protection can be provided by covering the plant with soil or straw. Additionally, watering the plant abundantly before the first freeze in autumn is recommended, ensuring the soil remains moist and enters a frozen state, which helps prevent drought and water scarcity during winter and early spring.

How does Blue Field Gilia handle low temperatures, and what are the solutions if it's affected?

Blue Field Gilia is notably cold-tolerant and thrives best when the temperature stays above 20°C. In winter, it should be kept above 0°C. If temperatures fall below -15°C, there may not be noticeable changes during the winter, but there might be a decrease in sprouting or even no sprouting during springtime. If affected by low temperatures, the solution is to remove any parts that have failed to sprout in spring.

What should be done if Blue Field Gilia is exposed to high temperatures?

During the summer months, it's important to keep Blue Field Gilia's temperature below 35°C. Exposure to temperatures exceeding 41°C can lead to the plant's leaves becoming lighter in color, prone to curling, susceptible to sunburn, and in severe cases, the entire plant may wilt and become dry. To mitigate these issues, trim away sunburned and dried-up parts. It's also effective to move the plant to a location that provides shade during the midday and afternoon sun or use a shade cloth to protect it. Additionally, watering the plant in the morning and evening helps to maintain soil moisture and support the plant's health.

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

When most of the Blue Field Gilia's flowers have opened to full size, resume fertilizing. At the peak flowering period, apply fertilizer once every three to four weeks, weather permitting. Then, when the Blue Field Gilia begins to produce fewer new blooms, stop fertilizing; there's no need to feed the plant once it can no longer produce additional blooms.

FAQ
Why should I put fertilizer on my Blue Field Gilia?

Plants, including Blue Field Gilia, require nutrients to survive. This is common knowledge among gardeners, regardless of their experience. Without proper nourishment, Blue Field Gilia will not last long after the first pollination. Therefore, it is crucial to provide the right type and amount of nutrients to ensure the plant thrives and produces beautiful flowers throughout the blooming season. Fertilizer plays a crucial role in helping Blue Field Gilia develop a healthy and strong root system. This is particularly important as the plant's root system is delicate and easily damaged. By fertilizing during planting, Blue Field Gilia can establish a robust root structure, offering stability and setting the stage for remarkable flowering. When done at the right time, fertilization can significantly prolong the plant's flowering period.

When should I fertilize my Blue Field Gilia for best results?

Blue Field Gilia experiences fast growth after the last frost has passed. It is recommended to fertilize Blue Field Gilia during planting, which is when it is first put in the ground or in planters. This initial dose of fertilizer should be the only one until the blooms are in full bloom later in the year. Once the blooms have reached their full size, it is time to start fertilizing again. This should be done every three to four weeks, depending on the weather. However, once the plant starts producing fewer new blooms, it is no longer necessary to fertilize.

When is it not a good idea to add fertilizer to my Blue Field Gilia plant?

Fertilizing is essential for Blue Field Gilia, but it's crucial to apply it at the right time. There are certain situations where it's better to hold back on fertilizing. These situations are typically climate-related, but there are also other factors that can be controlled. In essence, if something is wrong with the plant, the soil, or the climate, it's best to wait until these issues are resolved and the plant has recovered. For instance, if there are sudden and extreme changes in the weather, like a cold snap in the middle of summer, it's advisable to wait until it warms up again before fertilizing. Similarly, if the soil is too dry or compacted to effectively absorb the fertilizer, it will end up going straight to the roots, which can negatively affect Blue Field Gilia. When temperatures are soaring during the hottest parts of the day, reaching the 90-degree Fahrenheit range, it's best to avoid applying fertilizer. The breakdown of fertilizer depends on temperature, so it's important not to allow hot temperatures to break it down too quickly. Additionally, any pests or diseases should be addressed and cleared up before re-fertilizing.

What kind of fertilizer should I use for my Blue Field Gilia?

Blue Field Gilia plants, like many others, require a specific balance of nutrients from fertilizer. To achieve this, it is recommended to use a fertilizer specifically designed for high-yield blooming plants. The best option is a fertilizer with a higher level of phosphorus, indicated by a higher P number in its NPK number (e.g. 10-30-10). There are several fertilizer brands that offer such products, which are convenient and hassle-free for providing the necessary nutrients to Blue Field Gilia. If choosing a pre-mixed fertilizer, it is important to carefully follow the instructions on the package to avoid over or under-fertilizing, as both can negatively impact the plant's growth and even cause it to wilt.

How should I feed my Blue Field Gilia plant?

Fertilizing instructions for Blue Field Gilia may differ depending on the type of fertilizer you have. Here are some general tips to follow. When first planting Blue Field Gilia, mix the recommended amount of fertilizer into the soil before planting and water it in. For subsequent fertilizing, the process may vary. For pellet fertilizers, mix the pellets into the top inch of soil around the outer edge of the plant and water them in well. Other fertilizers can be mixed into a watering can and applied like regular watering. It is important to follow any instructions on the fertilizer packaging, but if you prefer a consistent schedule, aim for fertilizing every three to four weeks.

🪴 Pot & Repot
✂️ Pruning

Blue Field Gilia thrives when properly pruned from early to late spring. The main techniques include removing spent flowers and thinning the stems to improve air circulation. This encourages the plant to produce more vigorous blooms. Regular pruning helps maintain the plant's shape, reduces pests, and enhances flowering. It's important to use clean tools to prevent the spread of disease.

🌿 Propagating
🐛 Diseases & pets
☠️ Toxicity

Characteristics

Plant Type
Herb
Life Cycle
Annual, Perennial, Biennial
Genus
Gilia
Family
Polemoniaceae
Hardiness Zone
7-10
Mature Height
15 cm to 61 cm
Mature Spread
23 cm
Leaf Color
Green
Leaf Type
Semi-evergreen
Flower Color
Blue, Purple, Lavender
Flower Size
2.03 cm to 5.08 cm
Bloom Time
Mid spring, Late spring, Early summer
Planting Time
Autumn, Winter, Spring
Harvest Time
Summer

Tags (5)

Common Names (6)

en Globe Gilia
en Blue thimble-flower
en Bluehead gilia
en Blue-thimble-flower
en Blue Field Gilia
en Field gilia