North America Native Plant

Longtube Ipomopsis

Botanical name: Ipomopsis macrosiphon

USDA symbol: IPMA4

Life cycle: perennial

Habit: subshrub

Native status: Native to the lower 48 states  

Synonyms: Gilia aggregata (Pursh) Spreng. var. macrosiphon Kearney & Peebles (GIAGM2)  âš˜  Ipomopsis aggregata (Pursh) V.E. Grant var. macrosiphon (Kearney & Peebles) Dorn (IPAGM3)  âš˜  Ipomopsis tenuituba (Rydb.) V.E. Grant ssp. macrosiphon (Kearney & Peebles) V.E. Grant & Wilken (IPTEM)   

Longtube Ipomopsis: A Stunning Native Wildflower for Desert Gardens If you’re looking to add a splash of vibrant color to your southwestern garden while supporting local wildlife, longtube ipomopsis (Ipomopsis macrosiphon) might just be your new best friend. This eye-catching native perennial brings both beauty and ecological value to landscapes ...

Longtube Ipomopsis: A Stunning Native Wildflower for Desert Gardens

If you’re looking to add a splash of vibrant color to your southwestern garden while supporting local wildlife, longtube ipomopsis (Ipomopsis macrosiphon) might just be your new best friend. This eye-catching native perennial brings both beauty and ecological value to landscapes across the American Southwest.

What is Longtube Ipomopsis?

Longtube ipomopsis is a perennial forb herb native to the southwestern United States. As a forb, it’s a non-woody flowering plant that dies back to ground level each winter, only to emerge again with renewed vigor each spring. Don’t let its delicate appearance fool you – this hardy native is perfectly adapted to challenging desert conditions.

You might occasionally see this plant listed under its scientific synonyms, including Gilia aggregata var. macrosiphon or Ipomopsis aggregata var. macrosiphon, but rest assured – they’re all referring to the same spectacular wildflower.

Where Does It Grow Naturally?

This beautiful native calls Arizona and New Mexico home, thriving in the unique growing conditions of the southwestern United States. It’s perfectly adapted to the region’s climate and soil conditions, making it an excellent choice for gardeners wanting to work with nature rather than against it.

Why Grow Longtube Ipomopsis?

There are several compelling reasons to consider adding this native beauty to your garden:

  • Stunning Visual Impact: The plant produces gorgeous tubular flowers in vibrant red-orange hues that create striking focal points in any landscape
  • Pollinator Magnet: Those distinctive tubular flowers are perfectly designed to attract hummingbirds and butterflies, bringing life and movement to your garden
  • Low Maintenance: As a native plant, it’s naturally adapted to local conditions and requires minimal care once established
  • Drought Tolerant: Perfect for water-wise gardening and xeriscaping projects
  • Ecological Value: Supporting native plants helps preserve local ecosystems and provides habitat for native wildlife

Perfect Garden Settings

Longtube ipomopsis shines in several garden styles:

  • Native plant gardens where it can mingle with other southwestern natives
  • Xeric or desert landscapes that celebrate water-wise gardening
  • Wildflower meadows for a more naturalized look
  • Pollinator gardens designed to support hummingbirds and butterflies
  • Rock gardens where its drought tolerance really shines

Growing Conditions and Care

The beauty of growing native plants like longtube ipomopsis is that they’re already perfectly suited to your local climate. Here’s what this hardy perennial prefers:

Sunlight: Full sun exposure brings out the best flowering and strongest growth.

Soil: Well-draining soil is absolutely essential. This plant cannot tolerate waterlogged conditions, so if your soil tends to hold water, consider raised beds or adding amendments to improve drainage.

Water: Once established, longtube ipomopsis is quite drought tolerant. Water regularly during the first growing season to help establish a strong root system, then reduce watering frequency.

Climate: This tough native is generally hardy in USDA zones 4-8, making it suitable for a wide range of southwestern gardens.

Planting and Establishment Tips

Getting your longtube ipomopsis off to a strong start is key to long-term success:

  • Plant in spring after the last frost date in your area
  • Choose a location with excellent drainage – this is non-negotiable!
  • Space plants appropriately to allow for good air circulation
  • Water regularly during the first growing season to encourage deep root development
  • Avoid overwatering, which can lead to root rot
  • Mulch lightly to conserve moisture, but keep mulch away from the plant’s crown

Supporting Local Ecosystems

By choosing longtube ipomopsis for your garden, you’re doing more than just creating a beautiful landscape. You’re supporting the intricate web of life that has evolved in the Southwest over thousands of years. The tubular flowers provide nectar for hummingbirds and butterflies, while the plant itself may serve as habitat for beneficial insects.

Is Longtube Ipomopsis Right for Your Garden?

This native wildflower is an excellent choice for gardeners who want to create sustainable, low-maintenance landscapes that celebrate the natural beauty of the Southwest. If you have well-draining soil, plenty of sunshine, and a desire to support local wildlife, longtube ipomopsis could be a perfect addition to your garden palette.

Remember, working with native plants isn’t just about creating a beautiful garden – it’s about becoming a steward of your local ecosystem and preserving the natural heritage of your region for future generations to enjoy.

Longtube Ipomopsis

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Asteridae

Order

Solanales

Family

Polemoniaceae Juss. - Phlox family

Genus

Ipomopsis Michx. - ipomopsis

Species

Ipomopsis macrosiphon (Kearney & Peebles) V.E. Grant & Wilken - longtube ipomopsis

Plant data source: USDA, NRCS 2025. The PLANTS Database. https://plants.usda.gov,. 2/25/2025. National Plant Data Team, Greensboro, NC USA