Leptosiphon androsaceus — a medium houseplant, prefers full sun light
SPECIMEN · FROM THE LIBRARY
Leptosiphon androsaceus

Leptosiphon Androsaceus

Updated · 9 observations
ON THIS PLANT

Leptosiphon androsaceus (syn. Linanthus androsaceus) is a species of flowering plant in the phlox family known by the common name false babystars.

A note from PlantMom

False babystars shows good resistance to disease and is generally not prone to illnesses. That said, it can be affected by pests and diseases present in its environment. Such infections are typically mild. Regarding care, this plant needs a moderate level of maintenance. Regular pruning is required to keep a neat appearance and support healthy growth. Fertilizing can also help encourage flowering. False babystars is well suited for anyone with outdoor space, like a garden or patio, and does not demand extensive gardening experience. It may need more attention if grown indoors.

— PlantMom
CARE GUIDE

How to keep Leptosiphon Androsaceus.

Light

False babystars thrives in locations where it can bask in sunlight throughout the day, yet it can tolerate areas that do not always receive full sun. Its natural habitat is open, exposed sites, matching its sun-loving nature. Too much or too little light exposure can negatively affect its growth health.

Water

False babystars, native to California's Mediterranean climate, thrives with moderate winter rains and dry summers. This drought-tolerant annual herb requires weekly watering and consistent moisture during its single growing season. It thrives in well-draining soil, which mirrors its natural habitat.

Temperature

False babystars are native to areas with mild temperatures and thrive at temperatures between 68 and 100 °F (20 to 38 ℃). During cooler seasons, a moderate rise in temperature can encourage their healthy growth.

Fertilizer

When False babystars has opened most of its blooms fully, it's time to resume fertilizing. Around the period of peak bloom, feed every three to four weeks, weather permitting. Then, once False babystars begins producing fewer new blooms, stop fertilizing — there is no need to feed the plant when it can no longer produce additional blooms.

Pruning

Prune false babystars from early to late spring to promote healthy growth and eliminate damaged stems. Light trimming helps encourage blooming, improves air circulation, and reduces the risk of disease. Always use sharp, sterilized tools to make clean cuts, and avoid pruning during the blooming period for the best results.

CHARACTERISTICS

Botanical profile.

Plant Type
Herb
Life Cycle
Annual
Genus
Leptosiphon
Family
Polemoniaceae
Hardiness Zone
10-11
Mature Height
20 cm to 30 cm
Mature Spread
15 cm to 25 cm
Leaf Color
Green
Leaf Type
Deciduous
Flower Color
Pink, White, Lavender
Flower Size
2.54 cm to 5.08 cm
Bloom Time
Mid spring, Late spring, Early summer
Planting Time
Spring
Harvest Time
Summer
ALSO KNOWN AS

Other names.

en False babystars
FREQUENTLY ASKED

Reader questions.

How should I water my False babystars?

To water False babystars, you have several options. You can use a garden hose with a spray nozzle, a watering can, or any other common watering tool. False babystars is not particularly picky about how it gets its water. It can survive on rainwater, tap water, or filtered water. However, it's best to avoid watering this plant from above, as it can harm the leaves and flowers and potentially cause disease. Instead, a drip irrigation system is often the most effective way to water False babystars. These systems distribute water evenly and directly to the soil. If you're growing False babystars in a container, you can still use a similar watering method but with different tools. Use a cup, watering can, or your tap to apply water directly to the soil in the container.

Do False babystars need special care with sunlight as they grow?

When the False babystars are growing, they require more light compared to when they are fully mature. While the younger babystars still need sufficient light, they may not be ready for intense full sunlight, especially if they are being grown in a nursery. They tend to be more sensitive to the summer sun, so it is important to gradually and slowly expose them to lighting.

What temperatures should you keep your False babystars in to keep them healthy?

Here are three tips to help you take care of your plants: 1. Keep your plants away from windows during colder months: Cold air can leak into your home through cracks in the windows, and any plants placed near them will be affected. Move tropical plants to an area with bright but indirect light, while avoiding potential drafts. 2. Watch out for dry patches, which may indicate too much sunlight or heat: If you notice white or scorched leaves, your plant may be getting too much heat or sunlight. This can lead to dehydration and hinder growth. Dry spots can spread and eventually cause your plants to die if left unaddressed. 3. Be cautious of frost: Colder temperatures and frost can damage plants by disrupting their water circulation. This can lead to a lack of moisture in the stems and leaves. Look out for signs of hydrosis (a water-soaked appearance) and if the issue persists, the plant may shrivel and turn dark brown or black, eventually leading to death.

What do I do if I give my False babystars too much or too little water?

To prevent underwatering False babystars, simply water it more regularly when you notice it needs moisture. However, overwatering can be a bigger problem if not addressed early. Too much water can lead to diseases and the eventual decline and death of the plant. To avoid this, choose a well-located spot with plenty of sunlight to dry the soil and ensure good drainage to prevent waterlogging. If you have an overwatered False babystars in a pot, consider changing it to a new pot with better soil drainage and sufficient drainage holes. When repotting, use loose soil and a pot that drains efficiently.

How many hours of sunlight do False babystars need each day to grow well?

To ensure the well-being of the plants, it is important to provide them with 6 to 8 hours of sunlight every day. Specifically, they thrive on receiving a substantial amount of morning light, particularly during the summer season. The False babystars are particularly fond of full sun and benefit greatly from as much sunlight as they can absorb. This increased exposure to light allows these species to effectively produce food, display vibrant blooms, and ensure their overall survival.

What is the best temperature for False babystars?

To help your tropical plants thrive, it's best to maintain a temperature range of 75℉ to 90℉ (25-32℃). While different species can tolerate temperatures outside this range, sticking within a few degrees of these limits will ensure optimal growth. However, there are extreme temperature limits to be aware of. Anything below 50℉ (10℃) or above 95℉ (35℃) can hinder growth and cause issues with the leaves and stems. Low temperatures are particularly damaging, as even a light frost can lead to the death of your tropical plants. In fact, cellular death can occur rapidly, with some species dying within 12 to 24 hours.

How frequently should I give water to my False babystars?

False babystars require regular watering throughout the growing season. In spring, you should water the plant approximately once per week. As the season progresses and it gets warmer, you may need to increase your watering to two or three times per week. However, be careful not to exceed this rate as it can harm the plant. It is important to keep the soil relatively moist but not wet, regardless of how often you water. When it comes to watering False babystars in a pot, there are a few differences. Soil in a pot tends to heat up and dry out more quickly than ground soil, so you'll need to water container-grown plants more frequently. In most cases, watering a potted False babystars a few times per week is recommended, compared to just once per week for an in-ground plant.

What kind of sunlight do False babystars require?

The False babystars thrive in full sunlight. To ensure even sun exposure, avoid crowding them together. It's important not to deprive the leaves of sunlight. If planting in pots, place them in windows with direct sun and make sure they receive full sunlight at all times, regardless of the season. They do poorly in partial or filtered light, which results in weak stems and unhealthy flowers. It's ideal to always keep the False babystars exposed to the sun.

Do False babystars need different temperatures at different growth stages?

Although False babystars can transition between different growing phases without requiring temperature changes, it is important to maintain consistency. Fluctuations in temperature can hinder its growth, regardless of its current phase. Therefore, it is recommended to keep False babystars in a controlled environment. Maintaining an optimal temperature range of 75℉ to 90℉ (25-32℃) is crucial, with an emphasis on staying above the lower limit. While exceeding 90℉ (32℃) is not ideal, this tropical plant can tolerate it to some extent. Conversely, temperatures below 50℉ (10℃), especially 40℉ (5℃), can directly harm this heat-loving species.

How much water do my False babystars need?

There are a few ways to determine how much water to give your False babystars. One option is feeling the soil to gauge moisture - water until the first six inches of soil feel moist. Another option is to use a set measurement, like two gallons per week, adjusting based on temperature and soil dryness. However, following strict guidelines can lead to overwatering if your plant needs less. When growing False babystars in a container, moisten all dry soil layers by testing with your finger or looking for excess water drainage.

Can the sun harm plants? How can we protect False babystars from damage caused by the sun and excessive heat?

When the temperature rises above 90℉(32℃), the False babystars can be damaged by extreme temperatures, especially when exposed to many hours of sun. It's best to provide shade from the afternoon sunlight during the summer. Remember that sunlight is stronger and exposure is 50% longer in the summer compared to winter. If the False babystars are overly stressed from sunlight, it's important to ensure they are well-watered. Water them when the top 2 inches of soil are dry and consider moving them indoors if it's too hot outside, especially if they are planted in containers. It's normal for the plant leaves to wilt during the day, but they usually recover at night. However, if you notice the False babystars still drooping, it means the plant is losing water rapidly and it should be watered.

Do baby stars that are not real need different temperatures during different seasons?

False babystars does not require different temperatures for different growing seasons. The key to seasonal care is maintaining the optimal temperature range, so it's recommended to keep this plant indoors. This way, you have control over the temperature regardless of the outside climate. In terms of light, tropical species like false babystars prefer partial sunlight. This means the light they receive should be dappled or filtered, and bright but indirect light is ideal when growing them indoors. Excessive direct sunlight can harm the plant's leaves and hinder its growth.

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