ornamentalFamily: AmaranthaceaeGenus: Alternanthera

Cultivar

Red Thread Alternanthera

Alternanthera 'Red Thread'

Cultivar: Red Thread

Alternanthera 'Red Thread' is a compact, mounding ornamental perennial prized for its intense, dark red-purple foliage. Its unique, narrow leaf shape adds a delicate, airy texture to landscape borders and mixed container plantings. This heat-loving plant maintains its vibrant color throughout the season and serves as a excellent contrast against green or lime-colored garden companions.

Red Thread Alternanthera is a stunning ornamental foliage plant valued for its fine-textured, deep-red thread-like leaves. It provides a striking pop of color as a low-maintenance bedding plant or container accent.

Marketplace checkout

Choose a plant pack

Open Plan →Stripe handles payment only

Plant quality preference

Choose the plant quality you are willing to accept for this order.

Grade B never means diseased, pest-infested, dying, materially mislabeled, or otherwise unhealthy plant material.

18-plant pack · Ship

$55.23per pack

$55.23 total

936 plants available · max 52 packs

Shipping & Delivery

Orders generally ship within 3–7 days after purchase. Agardeni gives priority to USPS Priority Mailfor standard live-plant shipments when practical.

USPS Priority Mail typically has a 2–3 day delivery objective after shipment, but delivery times are not guaranteed.

Weather & Temperature Risk

Agardeni ships from Florida and does not monitor destination temperatures nationwide. Customers are responsible for considering local weather conditions and retrieving packages promptly after delivery.

Agardeni is not responsible for plant damage caused by freezing temperatures, frost, excessive heat, or prolonged exposure to extreme temperatures at the destination.

Inspect live plants promptly after delivery. Eligible plant-condition claims must be submitted within 48 hours of confirmed delivery.

Secure Stripe checkout · current test/sandbox configuration remains unchanged

Cultivar Story

Start with Inspiration. Grow Your Aspiration.

🌱

Image coming soon

Growing Inspiration

Inspiration for future Agardeni growing environments.

📦

Image coming soon

Marketplace Plant

A realistic representation of the starter plants offered in 18, 36, and 72 plant quantities.

🌿

Image coming soon

Aspirational Garden

Grow your aspirational plan into an inspirational garden.

🍓

Image coming soon

Plant Detail

A closer look at the fruit, flower, foliage, or mature defining characteristics of this cultivar.

🪴

Image coming soon

Repotting / Start Growing

Begin with a starter plant and establish it in a larger pot using quality potting soil with beneficials and fertilizer.

Image coming soon

Start · Plan · Grow

Start with real plants. Plan with current marketplace availability. Grow your aspirational garden.

Cultivar Video

Agardeni

Cultivar Video Coming Soon

See this cultivar from starter plant to aspirational garden.

Plant Profile

Grow Red Thread Alternanthera with confidence

Key growing information first, with the complete reviewed cultivar profile available when you want it.

☀️

Sun

Full sun to partial shade; foliage color is deepest in full sun.

💧

Water

Keep soil consistently moist but well-draining; avoid allowing the root zone to dry out completely.

📏

Mature size

8-12 inches tall and 12-18 inches wide.

🌡️

Hardiness

9-11

🌿

Growth habit

mounding, spreading

🌿

Plant type

perennial

View Plant Data

Care, size, flowering, climate, soil, health, and additional reviewed data.

+

Good to know

🌱

Growing note

Performs best when kept consistently moist and thrives in high heat and humidity; provide protection from frost as it is typically grown as an annual in cooler climates.

🌡️

Climate note

Thrives in tropical and subtropical temperatures; sensitive to frost and cold drafts.

🌸

Flower / fruit

Primarily grown for foliage; insignificant white or greenish flowers may appear but are often removed to prioritize foliage density.

Growing & Care

Everyday care, growth, feeding, and pruning guidance.

+
☀️

Sun / light

Full sun to partial shade; foliage color is deepest in full sun.

🌿

Growth rate

moderate

🌱

Fertilizer

Apply a balanced, water-soluble fertilizer monthly during the active growing season to support lush foliage development.

✂️

Pruning

Pinch back stems occasionally to encourage a bushier, denser growth habit.

Care notes

Performs best when kept consistently moist and thrives in high heat and humidity; provide protection from frost as it is typically grown as an annual in cooler climates.

Size & Habit

How the plant grows and the space it needs at maturity.

+
📏

Mature size

8-12 inches tall and 12-18 inches wide.

🌿

Growth habit

mounding, spreading

↔️

Spacing

12 inches

Flower / Fruit

Flowering, fruiting, pollination, bloom, and harvest behavior.

+
🌸

Flowering / fruiting

Primarily grown for foliage; insignificant white or greenish flowers may appear but are often removed to prioritize foliage density.

Climate & Hardiness

Cold, heat, chill, and regional growing considerations.

+
🌡️

Hardiness zones

9-11

🌡️

Temperature

Thrives in tropical and subtropical temperatures; sensitive to frost and cold drafts.

Soil & Water

Moisture, drainage, soil, and pH preferences.

+
💧

Watering

Keep soil consistently moist but well-draining; avoid allowing the root zone to dry out completely.

🌱

Soil

Rich, well-draining garden soil or standard, high-quality potting mix.

🧪

Soil pH

6.0-7.0

More Plant Data

19 additional reviewed fields from this Plant.id.

+

Container Growing

Excellent for containers and hanging baskets due to its compact habit; ensures moisture is maintained as containers dry faster than ground soil.

Family

Amaranthaceae

Foliage Look

deep red, fine-textured, needle-like, lanceolate leaves

Foliage Rules

Leaves are characteristically narrow and thread-like, deep red to burgundy, with an alternate arrangement.

🍒

Fruit Flower Look

insignificant, tiny white clusters (if present)

🍒

Fruit Flower Rules

Flowering is infrequent and secondary; images should prioritize the leaf texture and color.

✂️

Growth Habit Rules

Should appear as a low, mounding mass, not an upright shrub or vine.

Mature Plant Look

dense, dark red, mounded groundcover

🌱

Mature Stage Morphology

A dense, low-growing mound of fine-textured foliage that holds a uniform color.

🌱

Morphology Rules

Maintain a focus on the fine, thread-like texture of the leaves; avoid images showing broad-leaf varieties.

Plant Faqs

How much sun does Red Thread Alternanthera need? It thrives in full sun, though partial shade is acceptable in very hot climates. Can it be grown in containers? Yes, its mounding habit makes it an excellent choice for containers and window boxes. Is this plant winter hardy? It is hardy only in zones 9-11; in colder regions, it should be treated as an annual. Does it produce flowers? It is grown for its foliage; flowers are insignificant and do not contribute to the plant's ornamental appeal.

Root Look

white, active, healthy plug root system

🌱

Soil Look

dark, rich, well-draining potting soil

Starter Stage

Small, plug-sized plants with distinct, thread-like reddish foliage starting to branch.

🌱

Starter Stage Morphology

Young, narrow leaves in deep red-purple; stems are thin and flexible.

Video Voiceover Script

Welcome to Agardeni, where inspiration for gardening helps us imagine how and where we will grow Red Thread Alternanthera. This is Red Thread Alternanthera, available as 18, 36, and 72 plant starter trays through the Agardeni Marketplace. Let this vibrant foliage become part of your aspirational plan, helping you imagine the future garden beds and container designs you want to create. Focusing on its unique, thread-like leaf structure, this plant offers an intense deep-red color that remains consistent and bold throughout the season. Establish your starter plug in a four-inch pot with quality, well-draining mix, then move it to its final location once established. Find your inspiration with Agardeni. Explore real plants and real availability. Start. Plan. Grow.

Youtube Tags

Alternanthera Red Thread ornamental foliage red garden plants container gardening bedding plants landscape design Agardeni foliage texture colorful groundcover

Youtube Video Summary

Discover the beauty of Alternanthera 'Red Thread', a compact plant known for its fine, deep red foliage. Ideal for borders and containers, this plant adds vibrant color and unique texture to any garden design.

Youtube Video Title

Growing Red Thread Alternanthera: Vibrant Ornamental Foliage

Coming Soon

Future Buyer Brand Sellers

Possible future seller options for 2.5-inch, 4-inch, and 1-gallon finished plants.