How to Grow Sangre
Sangre
Iresine herbstii
shrubSangre is a tropical foliage plant prized for its striking deep red, burgundy, or blood-red leaves that give it its common name meaning 'blood' in Spanish. It's a tender perennial shrub typically grown as an ornamental houseplant or annual in cooler climates, valued for dramatic color and compact growth habit.
When should you plant Sangre in your zone?
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Example Sangre timeline · Pittsburgh, PA (Zone 6b)
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Plant Sangre
Around Apr 17Near Pittsburgh's average last spring frost.
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Tend & protect
Late spring–summerWatering, feeding, and pest-watch reminders.
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Harvest Sangre
Around Jul 16≈ 90 days after planting
Sample dates for Pittsburgh, PA. Sign up to get exact Sangre dates for your own zip code.
Growing Conditions
Soil
Growing Zones
Find your zone →Thrives outdoors in zones 10-11; grown as houseplant or annual elsewhere
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Get my Sangre timeline →Growth Stages
Seedling/Propagation
2-4 weeksTiny plants emerging from seed or young rooted cuttings with minimal foliage, pale coloring initially
Keep soil warm (70-75°F) and consistently moist. Provide bright indirect light. Protect from direct sun. High humidity aids establishment.
Establishment
3-6 weeksYoung plants developing their first true leaves and establishing roots, beginning to show characteristic red tones
Gradually increase light exposure. Begin gentle fertilizing monthly. Maintain warm temperatures (65-75°F). Ensure good air circulation.
Vegetative Growth
6-12 weeksPlant grows rapidly with increasingly dense foliage showing deep red to burgundy coloration throughout
Fertilize every 2-3 weeks with balanced fertilizer. Pinch back growing tips to encourage bushiness. Maintain consistent moisture and warmth. Increase light for richer color.
Mature Foliage
OngoingFully developed compact shrub with abundant deeply colored foliage; may produce small red or white flowers
Maintain regular feeding and watering schedule. Prune to maintain shape. Increase humidity indoors. Watch for pests. Remove any flowering stems if foliage display is priority.
Companion Planting
Plan your garden →Plant with:
Avoid planting near:
Common Pests
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Increase humidity; spray leaves with water; use miticide if severe. Isolate affected plants.
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Remove with alcohol-soaked cotton swab; spray with insecticidal soap or neem oil every 7-10 days
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Use yellow sticky traps; spray with neem oil or insecticidal soap; maintain good air circulation
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Allow soil surface to dry slightly between waterings; use sand layer on soil top; use sticky traps
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Scrape off manually; treat with horticultural oil or insecticidal soap
Uses
Ornamental Houseplant & Indoor Decoration
HouseholdSangre's striking deep red foliage makes it a popular indoor decorative plant for adding color and tropical flair to homes, offices, and greenhouses. Its compact size makes it ideal for shelves, tables, and mixed container displays. [source]
Garden & Landscape Accent
HouseholdIn tropical and subtropical climates, Sangre is used in outdoor gardens, borders, and landscape designs as a bold foliage accent plant that provides year-round color without relying on seasonal flowers. [source]
Fresh & Dried Floral Arrangements
CraftThe dramatic red stems and leaves are used in fresh flower arrangements, wreaths, and dried botanical crafts, providing textural interest and deep color contrast with other floral elements. [source]
Color-Contrast Container Gardening
HouseholdSangre is commonly paired with bright green, yellow, or silver foliage plants in mixed containers and hanging baskets to create striking color combinations and visual interest through contrast. [source]
Traditional Herbal Medicine
MedicinalIn some tropical regions, Iresine species have been used in traditional herbal medicine preparations, though scientific evidence is limited and it should not be ingested without professional guidance. [source]
This is not medical advice. LizPlants is not a medical resource. Always consult a qualified healthcare professional before using plants medicinally.
Harvest Tips
Sangre is grown for foliage display rather than harvest. Pinch back stem tips regularly (starting when plant is 6 inches tall) to encourage bushier, more compact growth and fuller color display. Remove any pale or weak stems. Can be propagated year-round from stem cuttings (3-4 inches long) in water or moist soil.
Fun Facts
- 🌱 The name 'Sangre' literally means 'blood' in Spanish and Portuguese, referring to the intense red coloration of the leaves and stems that intensifies under bright light conditions.
- 🌱 Sangre is actually a tender tropical shrub from South America that is frost-sensitive; most gardeners outside zones 10-11 treat it as an annual or bring it indoors for winter to prevent death from cold temperatures.
- 🌱 The plant can be easily propagated from stem cuttings placed in water, often rooting in just 1-2 weeks, making it an economical way to create new plants or share with fellow gardeners.
Gardening Terms
New to gardening? Learn about terms used in this guide:
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