Showy Stickseed Plant Care

Hackelia floribunda I.M.Johnst.

Updated · Sources · How we source care data

Hackelia floribunda is a species of flowering plant known by the common names large-flowered stickseed, manyflower stickseed, and wild forget-me-not. It is part of the borage family.

🌱Herbs🌼Perennials🌻Annuals
Water

Every 7–10 days

Light

Partial shade to full sun

Temp

50–80°F

Humidity

40–70%

At a glance

How do you care for Showy Stickseed?

Water Showy Stickseed every 7–10 days, letting the top layer of soil dry out between waterings, and give it partial shade to full sun. It prefers temperatures of 50–80°F (10–27°C) and 40–70% humidity. Fertilize it every 6 months during the growing season.

What Is the Showy Stickseed?

Showy Stickseed (Hackelia floribunda) belongs to the Boraginaceae family within the Hackelia genus. Showy Stickseed is also known as Manyflower Stickseed.

Showy Stickseed displays an upright, branching perennial growth habit, reaching up to 2 ft tall with a spread of approximately 1.5 ft. Showy Stickseed produces small, delicate blue or white flowers in clusters.

Leaf size: approximately 3 inches.

How Often Should You Water a Showy Stickseed?

Hackelia floribunda requires watering every 7–10 days. Allow the top layer of soil to dry between waterings to prevent root rot. Reduce watering frequency during winter when growth slows.

Watering Frequency

Every 7–10 days

Let soil partially dry between waterings

What Light Does the Showy Stickseed Need?

Showy Stickseed thrives in partial shade to full sun.

Light Requirement

Partial shade to full sun

What Temperature and Humidity Does the Showy Stickseed Prefer?

Hackelia floribunda grows best at temperatures of 50–80°F. Showy Stickseed prefers humidity levels of 40–70%.

Temperature

50–80°F

Humidity

40–70%

What Soil Mix Works Best for a Showy Stickseed?

Well-draining sandy loam with added organic matter for moisture retention. Good drainage is essential for Showy Stickseed to prevent waterlogging, which leads to root rot and fungal issues.

How Often Should You Fertilize a Showy Stickseed?

Feed Showy Stickseed every 6 months during the growing season (spring and summer) with a balanced fertilizer diluted to the strength on the label.

Pause feeding in autumn and winter, when growth slows, and never fertilize dry soil — water first.

Fertilizing

Every 6 months

During the growing season

The PlantoScan app can remind you when to water and when to fertilize each plant.

How Do You Repot a Showy Stickseed?

Repot every 2-3 years in early spring. Choose a pot one size larger than the current container, and ensure it has drainage holes to allow excess water to escape.

How Do You Propagate a Showy Stickseed?

Showy Stickseed can be propagated through seeds, division. Similar propagation techniques also apply to stickseed plant care, which shares the same genus.

Is the Showy Stickseed Toxic to Pets and Children?

Pet safety not verified

The ASPCA does not list Showy Stickseed, so we can't confirm whether it is safe for cats and dogs. Keep pets from chewing it as a precaution.

This is a general caution, not veterinary or medical advice. If your pet ate a plant, contact your vet or animal poison control.

See all plants toxic to cats and plants toxic to dogs.

What Pests and Diseases Affect the Showy Stickseed?

Showy Stickseed is susceptible to aphids, spider mites, whiteflies. Inspect the foliage regularly, especially along leaf undersides and stems. Treat infestations promptly with insecticidal soap or neem oil to prevent spread.

Yellow leaves, brown tips or drooping? See common plant problems and how to fix them.

What USDA Hardiness Zone Does the Showy Stickseed Need?

Showy Stickseed grows outdoors in USDA Zone 12a. It survives winters down to planting zone 12a. In cooler regions, grow Showy Stickseed as a houseplant or bring it indoors before the first frost.

Hardiness Zone

Zone 12a

Keep exploring plants

Showy Stickseed is one of many species covered in the complete plant care and identification guide, which groups plants by genus, attribute, and popularity.

It belongs to the Hackelia genus — compare its care with other Hackelia species on PlantoScan.

Hackelia is part of the Boraginaceae plant family — browse all Boraginaceae genera and species.

Showy Stickseed thrives in bright light and direct sun — see other bright-light plants.

More Hackelia Species

Other Hackelia species in PlantoScan's care catalogue share similar watering, light, and soil preferences:

Sources

  • Scientific name & taxonomy: Hackelia floribunda I.M.Johnst., family Boraginaceae (first published in Contr. Gray Herb. 68: 46 (1923)) — World Flora Online record, IPNI name record.
  • Pet toxicity: Pet safety not verified: the ASPCA does not list Showy Stickseed, so we can't confirm whether it is safe for cats and dogs. Checked against the ASPCA plant list; any other toxicity note on this page comes from PlantoScan's plant database.
  • Hardiness zone: USDA Zone 12a, calculated from the plant's minimum temperature.
  • Care values(watering, light, temperature, humidity, soil, fertilizing): PlantoScan's plant database, filtered by automatic plausibility checks — values that fail them are hidden. How we source and check plant data.

Spotted a mistake? Email info@upvision.media with the page link — we check and correct reported errors.

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