Ipomopsis tenuituba — a medium houseplant, prefers full sun light
SPECIMEN · FROM THE LIBRARY
Ipomopsis tenuituba

Ipomopsis Tenuituba

Updated · 58 observations
ON THIS PLANT

Ipomopsis tenuituba is a species of flowering plant in the phlox family known by the common name slendertube skyrocket, or slendertube ipomopsis. It is native to much of the western United States from California to Colorado, where it is found on rocky mountain slopes. This is a perennial herb producing an erect stem with widely spaced leaves, each 3 to 6 centimeters long and with many narrow, fingerlike lobes. The inflorescences toward the top of the stem each hold three to seven flowers. The flower is very pale to medium pink, sometimes with white streaks, or solid white. It is a tube 2 to 5 centimeters long, opening into a corolla of five twisting, pointed, ribbonlike lobes. The stamens and style do not protrude far from the mouth of the flower, if at all. While it is a perennial plant, it dies after its first flowering.

A note from PlantMom

Slendertube skyrocket has strong resistance to disease and generally does not commonly suffer from illnesses. That said, it can be vulnerable to pests and local diseases present in its environment, though these issues are typically mild. Regarding upkeep, this plant demands a moderate level of care. It should be pruned on a regular basis to preserve an attractive appearance and encourage healthy growth. Applying fertilizer can also assist in boosting flower production. Slendertube skyrocket is well suited for anyone who has outdoor space, such as a garden or patio, and it does not require extensive gardening experience. When cultivated indoors, it may need a higher level of attention.

— PlantMom
CARE GUIDE

How to keep Ipomopsis Tenuituba.

Light

Slendertube skyrocket is a sun-loving, herbaceous perennial that originates from open habitats and commonly thrives in meadows and grasslands. It favors full sun but can also tolerate partial sun.

Water

The slendertube skyrocket, a plant native to arid environments, is drought-tolerant and thrives with infrequent watering—about once a week. It prefers full sunlight and requires well-draining soil to replicate its natural habitat. Providing adequate hydration during the growing season encourages vibrant flowering.

Temperature

Slendertube skyrocket occurs naturally in areas where temperatures range from 50 to 95 °F (10 to 35 ℃). It favors these moderate conditions and may need adjustments during colder or hotter seasons for optimal growth.

Fertilizer

The best time to fertilize a Slendertube skyrocket is in early spring, as it comes out of dormancy and starts active growth. Fertilizing supplies essential nutrients for healthy development. Although Slendertube skyrocket has fairly low fertilizer requirements, applying fertilizer once a year can improve its survival and encourage better, longer-lasting blooms.

Pruning

The Slendertube skyrocket plant features tall spikes of tubular flowers and benefits from pruning from early to late spring. Important techniques involve removing spent blooms and thinning old stems to improve air circulation. This not only enhances flowering but also reduces the risk of disease, thereby promoting the plant’s health and visual appeal.

CHARACTERISTICS

Botanical profile.

Plant Type
Herb
Life Cycle
Perennial
Genus
Ipomopsis
Family
Polemoniaceae
Hardiness Zone
6-9
Mature Height
34 cm to 91 cm
Mature Spread
15 cm to 30 cm
Leaf Color
Green
Leaf Type
Semi-evergreen
Flower Color
Pink, Red, White
Flower Size
2.54 cm to 3.81 cm
Bloom Time
Early summer, Mid summer
Planting Time
Spring
Harvest Time
Late summer, Early fall
ALSO KNOWN AS

Other names.

en Slendertube skyrocket
FREQUENTLY ASKED

Reader questions.

How should I water my Slendertube skyrocket plant?

To ensure the health of your Slendertube skyrocket, it's important to use filtered water that is at room temperature or slightly warmer. Tap water may contain harmful particles that can affect the plant's well-being. The Slendertube skyrocket thrives in warm conditions, so using cold water can be a shock to its system. Additionally, it's best to avoid overhead watering, as this can cause problems with the foliage. Instead, gently apply your filtered, room temperature water directly to the soil until it is fully soaked. This helps moisturize the roots and allows them to spread throughout the soil to collect necessary nutrients.

What are the sunlight requirements for Slendertube skyrocket?

Slendertube skyrocket, botanically known as Ipomopsis tenuituba, thrives in full sun conditions, requiring more than 6 hours of sunlight daily. However, it can also tolerate partial sun, where it would receive about 3-6 hours of sunlight. Ensuring the right balance of light and shade is crucial for the plant's health, as sunlight patterns in your garden can significantly impact plant growth.

What are the ideal temperature conditions for Slendertube skyrocket?

Slendertube skyrocket, botanically known as Ipomopsis tenuituba, thrives in environments with temperature ranges between 50 to 95 °F (10 to 35 °C). It performs best under moderate temperatures and needs adjustments during the colder or hotter seasons to ensure optimal growth. Despite its strong cold resistance, special precautions should be taken if winter temperatures are expected to drop below -25°C by covering the plant with insulating materials such as soil or straw. Additionally, watering the plant abundantly before the first freeze in autumn to keep the soil moist helps prevent drought and water scarcity during the colder months.

What should I do if I give my Slendertube skyrocket too much or too little water?

Overwatering is a common issue that can harm your Slendertube skyrocket plant. When this happens, the stems and leaves may wilt and turn yellow. Prolonged overwatering can lead to diseases like root rot, mold, and mildew, which can be lethal for the plant. Underwatering is less common but still possible. In this case, the leaves become brittle and brown. It's important to recognize the signs of overwatering early on to prevent irreversible damage. If you notice these signs, reduce your watering schedule and check the soil's drainage. If it doesn't drain well, replace it with a loose, well-draining potting mix. If your plant shows signs of underwatering, simply increase your watering frequency until the signs lessen.

What essentials are needed for growing Slendertube skyrocket?

Slendertube skyrocket is a perennial herbaceous plant that loves the sun and originates from open habitats like meadows and grasslands. For indoor plants not receiving enough natural sunlight, especially in winter or less sunny spaces, artificial lighting can be a solution. LED lights are recommended for their adjustability to provide specific light wavelengths. Full sun plants should get 30-50W/sq ft, partial sun plants 20-30W/sq ft, with the light source placed 12-36 inches above the plant for 8-12 hours per day to simulate natural sunlight.

How does Slendertube skyrocket respond to low temperatures and what are the solutions?

Slendertube skyrocket is cold-tolerant and prefers temperatures to remain above 10°C. During winter, it is crucial for its survival that temperatures do not drop below -15°C. However, if temperatures fall below -25°C, the plant may not show immediate harm but can suffer a decrease in or absence of sprouting during the springtime. To mitigate this issue, any parts of the plant that fail to sprout in the spring should be removed to encourage new growth.

How frequently should I water my Slendertube skyrocket plant?

If your Slendertube skyrocket plant is in a pot, the most precise way to determine if it needs water is by checking the moisture level of the soil. You can do this by inserting your finger into the soil. If you notice that the top two to three inches of soil are dry, then it's time to water the plant. For those who grow the Slendertube skyrocket outdoors in the ground, you can use a similar method to test the soil. Once again, check if the first few inches of soil have dried out, and if they have, it's time to water the plant. Typically, during the spring and early fall, watering once a week should suffice. However, in extremely hot weather, you may need to increase the frequency to about twice or more per week. It's worth noting that mature and well-established Slendertube skyrocket plants have an impressive ability to withstand drought conditions.

What are the symptoms of sunlight deficiency or excess in Slendertube skyrocket?

Symptoms of inadequate lighting in Slendertube skyrocket may include smaller new leaves, leggy or sparse growth, faster leaf drop, slower or no new growth, and lighter-colored or discolored leaves. Excessive sunlight can lead to chlorosis (yellowing leaves), sunscald, leaf curling, wilting, and leaf scorching. These symptoms indicate the plant's struggle either in receiving too much or too little sunlight, highlighting the importance of monitoring and adjusting light exposure for plant health.

How should Slendertube skyrocket be cared for in high-temperature conditions?

During the summer, the ideal temperature for Slendertube skyrocket should not exceed 35°C. Exposure to temperatures above 38°C can cause the leaves to lighten in color, curl, become prone to sunburn, and, in severe cases, lead to the entire plant wilting and drying out. The solution involves trimming away any sunburned or dried parts of the plant. Additionally, relocating the plant to a shaded area during the midday and afternoon sun, or using a shade cloth for protection, can be beneficial. Watering the plant in the morning and evening is recommended to maintain soil moisture and support the plant's well-being during hot conditions.

How much water does my Slendertube skyrocket require?

When watering your Slendertube skyrocket, don't be afraid to give it a good amount of water. Make sure the first two to three inches of soil are dry, and then water thoroughly until the soil is completely soaked. The water should be enough to cause excess water to flow through the drainage holes at the bottom of the pot. If you don't see water draining from the pot, you may not have watered enough. However, be careful not to let water accumulate inside the soil, as this can be harmful to the plant. Similarly, if water doesn't drain properly, it could indicate poorly draining soils, which should be avoided. If the plant is outside, about 1 inch of rain per week should suffice.

How can I address sunlight-related issues in indoor and outdoor Slendertube skyrocket plants?

To address sunlight-related issues, gradually acclimatize your Slendertube skyrocket plant to the desired sunlight level. For indoor plants, move them to a sunnier spot each week or use artificial lighting, such as desk lamps or professional grow lights, for at least 8 hours a day. For outdoor plants, aim to relocate them gradually to avoid sunburn. Obstructed outdoor plants may benefit from pruning surrounding vegetation or transplanting to a sunnier location during their dormant period. New growth should appear healthy once the plant receives adequate sunlight.

How do I water my Slendertube skyrocket when it's growing in different stages?

The water needs of the Slendertube skyrocket can vary based on its growth stages. In the initial years or after transplanting, it requires more water due to the focus on developing new roots for future growth. These roots perform better with extra moisture. However, after a few seasons, the water requirement reduces. Additionally, during the bloom period, when the plant is producing flowers, it may need more water to support the flower development process.

PLATES
Ipomopsis tenuituba leaf
PLATE 01 · leaf
Ipomopsis tenuituba flower
PLATE 02 · flower
Ipomopsis tenuituba flower
PLATE 03 · flower
Ipomopsis tenuituba habit
PLATE 04 · habit
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