Globe Amaranth vs Stokesia Plant Comparison

Compare these two plants side by side — care needs, key differences, and which is right for your home.

Globe Amaranth

Globe Amaranth

Gomphrena globosa

VS
Stokesia

Stokesia

Stokesia laevis

Globe Amaranth

Globe Amaranth

Gomphrena globosa

Globe Amaranth is an annual flowering plant known for its globe-shaped flower heads that come in various colors, including purple, pink, red, orange, and white. Typically grown outdoors, it reaches a height of 1-2 feet. The plant has an upright growth habit with oval-shaped leaves. People grow it for its long-lasting blooms, which are excellent for fresh and dried flower arrangements. It thrives in warm weather and full sun, making it a popular choice for summer gardens. While technically possible to grow indoors, it requires very bright light and consistent care to mimic its natural outdoor environment.

Amaranthaceae Central America (Panama, Guatemala)
✨ Features: Excellent for cut flowers and dried flower arrangements.
📖 Read Complete Globe Amaranth Guide
Stokesia

Stokesia

Stokesia laevis

Stokesia laevis, commonly known as Stokes' Aster, is a clump-forming perennial native to the southeastern United States. It typically grows to a height of 1 to 2 feet and features lance-shaped, semi-evergreen leaves. The plant is prized for its showy, aster-like flowers that bloom from summer to fall in shades of blue, lavender, pink, or white. It's primarily an outdoor plant, valued for its long bloom period, attractiveness to pollinators, and ease of cultivation in gardens and borders. Indoor cultivation is challenging due to high light requirements.

Asteraceae Southeastern United States
✨ Features: Attracts butterflies and bees, long bloom period, deer-resistant.
📖 Read Complete Stokesia Guide

Quick Plant Comparison

Feature Globe Amaranth Stokesia
Light Full sun (at least 6-8 hours of direct sunlight daily) Full sun to partial shade. Requires at least 6 hours of direct sunlight daily for optimal flowering.
Watering Every 2-3 days outdoors during hot weather; less frequently indoors (every 5-7 days) depending on light and temperature. Every 7-10 days, depending on weather and soil drainage.
Humidity 40-60% 30-50%
Temperature 21-27°C 18-27°C
Care Level Expert Expert
Growth Rate Moderate Moderate
Max Height 0.3-0.6 meters (indoors, typically smaller) 0.3-0.6 m (outdoor)
Pet Safety ✅ Safe ✅ Safe
Soil Well-draining soil mix, such as a blend of potting soil, perlite, and sand. Well-drained, moderately fertile soil. A mix of garden soil, sand, and compost is suitable.
Beginner Friendly ❌ No ❌ No
Weekly Maintenance 15 minutes weekly 10 minutes weekly (deadheading, watering)

🔬 Botanical Information — Comparing These Plants

Globe Amaranth

Scientific Name Gomphrena globosa
Family Amaranthaceae
Native To Central America (Panama, Guatemala)
Also Known As Globe Amaranth, Bachelor Button
Leaves Oval to lance-shaped leaves, typically 2-4 inches long. They are usually green but can have a slightly reddish tinge. The leaves have a slightly rough texture.
Flowers Flowers profusely outdoors in summer and fall. The flower heads are globe-shaped and come in various colors, including purple, pink, red, orange, and white. Indoor flowering is rare and requires ideal conditions.

Stokesia

Scientific Name Stokesia laevis
Family Asteraceae
Native To Southeastern United States
Also Known As Stokes' Aster, Stokes Aster, Cornflower Aster
Leaves Lance-shaped, semi-evergreen leaves, typically 4-10 cm long and 1-3 cm wide. The leaves are smooth and have a slightly leathery texture. They are arranged alternately along the stems.
Flowers Flowers are daisy-like, 7-10 cm in diameter, and bloom from summer to fall. They come in shades of blue, lavender, pink, or white. The flowers have a prominent central disc surrounded by ray florets.

📏 Size & Growth — Plant Comparison

Globe Amaranth

Height 0.3-0.6 meters (indoors, typically smaller)
Spread 0.2-0.3 meters
Growth Rate Moderate
Growth Pattern Upright, bushy growth habit, typically reaching 1-2 feet in height. It produces numerous stems with oval-shaped leaves and globe-shaped flower heads at the tips of the stems.

Stokesia

Height 0.3-0.6 m (outdoor)
Spread 0.3-0.6 m
Growth Rate Moderate
Growth Pattern Clump-forming perennial with an upright habit. It spreads slowly by rhizomes, forming a dense clump over time.

🌱 Propagation — Comparing Plant Growth

Globe Amaranth

Methods: Seed

Difficulty: Easy

Tips: Sow seeds indoors 6-8 weeks before the last expected frost or directly outdoors after the danger of frost has passed. Keep the soil consistently moist until germination.

Stokesia

Methods: Seed, Division, Stem cuttings

Difficulty: Easy

Tips: Divide clumps in spring or fall. Take stem cuttings in late spring or early summer. Sow seeds indoors 6-8 weeks before the last frost.

✨ Benefits & Features — Comparing Plant Value

Globe Amaranth

Globe Amaranth's unique globe-shaped flowers retain their color and shape even when dried, making them ideal for crafts and dried flower arrangements. Unlike many annuals, it continues to bloom profusely throughout the summer with regular deadheading.

  • ✓ Provides vibrant color to gardens and floral arrangements.
  • ✓ Attracts pollinators like butterflies and bees.
  • ✓ Flowers are excellent for drying and crafting.
  • ✓ Relatively low-maintenance once established outdoors.
  • ✓ Can be grown in containers for smaller spaces.
  • 🐾 Pet Safe

Stokesia

Stokesia laevis is unique for its long bloom period, lasting from summer to fall. Its showy, aster-like flowers come in various colors and attract pollinators, making it a valuable addition to any garden. It is also relatively deer-resistant.

  • ✓ Attracts pollinators, enhancing local biodiversity.
  • ✓ Provides long-lasting color in the garden.
  • ✓ Deer resistance reduces garden damage.
  • ✓ Relatively low maintenance once established.
  • ✓ Supports a healthy ecosystem by providing nectar for beneficial insects.
  • 🐾 Pet Safe

📅 Maintenance Schedule — Plant Care Comparison

Globe Amaranth

Repotting Not applicable as it's an annual plant.
Pruning Deadhead spent flowers to encourage continuous blooming.
Fertilizing Balanced liquid fertilizer (10-10-10) diluted to half strength, every 2-4 weeks during the growing season.
Seasonal Care In spring, start seeds indoors or outdoors. In summer, provide consistent watering and fertilization. In fall, harvest flowers for drying. Globe Amaranth is an annual and will not survive winter in cold climates.

Stokesia

Repotting Not applicable for outdoor planting. If grown in containers, repot every 2-3 years.
Pruning Deadhead spent flowers regularly to encourage continued blooming. Cut back foliage in late fall or early spring.
Fertilizing Balanced slow-release fertilizer in spring. Liquid fertilizer diluted to half strength every 4-6 weeks during the growing season.
Seasonal Care Spring: Fertilize and divide clumps if needed. Summer: Water regularly and deadhead spent flowers. Fall: Cut back foliage after flowering. Winter: Provide mulch for protection in colder climates.

🌞 Light Requirements

Globe Amaranth

Full sun (at least 6-8 hours of direct sunlight daily)

Low light tolerant: ❌ No

Stokesia

Full sun to partial shade. Requires at least 6 hours of direct sunlight daily for optimal flowering.

Low light tolerant: ❌ No

💧 Watering Needs

Globe Amaranth

Water thoroughly when the top inch of soil feels dry. Avoid overwatering, which can lead to root rot. Allow the soil to drain well after watering. Signs of underwatering include wilting leaves and dry flower heads. Overwatering can cause yellowing leaves and a mushy stem.

Stokesia

Water thoroughly when the top inch of soil feels dry. Avoid overwatering, which can lead to root rot. Allow the soil to dry slightly between waterings. Signs of underwatering include wilting leaves; signs of overwatering include yellowing leaves and soggy soil.

🌡️ Temperature & Humidity

Globe Amaranth

Temperature: 21-27°C

Humidity: 40-60%

Stokesia

Temperature: 18-27°C

Humidity: 30-50%

🤔 Which Plant Is Right For You?

Globe Amaranth

Globe Amaranth

Gomphrena globosa
Care: Expert Time: 15 minutes weekly Beginner: No

Gardeners who want colorful, long-lasting blooms for fresh or dried flower arrangements in a sunny outdoor space.

✅ Choose This Plant If...

  • You want vibrant, globe-shaped flowers in your garden.
  • You need flowers that are excellent for drying and crafting.
  • You have a sunny outdoor space with well-draining soil.
  • You want to attract pollinators like butterflies and bees to your garden.
  • You want a low-maintenance annual flower once established.

❌ Skip This Plant If...

  • You don't have a location with full sun (at least 6 hours daily).
  • You are looking for a low-maintenance indoor plant.
  • You live in a climate with consistently cool or wet summers.
📍 Ideal Location: Sunny garden bed or container outdoors.
🎨 Style: Cottage, Bohemian, Traditional
🏠 Apartment Friendly: Limited
⚠️ According to the ASPCA, Globe Amaranth is not listed as toxic to dogs, cats, or horses.
Stokesia

Stokesia

Stokesia laevis
Care: Expert Time: 10 minutes weekly (deadheading, watering) Beginner: No

Gardeners looking for a long-blooming, low-maintenance perennial for sunny borders and pollinator gardens.

✅ Choose This Plant If...

  • You want a long-blooming perennial for your garden.
  • You want to attract butterflies and bees to your yard.
  • You need a deer-resistant plant.
  • You have a sunny garden location.
  • You want a low-maintenance plant once established.

❌ Skip This Plant If...

  • You don't have a sunny outdoor location.
  • You are looking for a houseplant that thrives indoors.
  • You live in a very cold climate where it is not hardy.
📍 Ideal Location: Outdoor garden, sunny border, pollinator garden
🎨 Style: Cottage, Naturalistic, Traditional
🏠 Apartment Friendly: No
⚠️ Stokesia laevis is not listed as toxic to dogs, cats, or horses on the ASPCA website.

🎯 Quick Verdict

Best for Beginners Neither ideal
Pet Friendly Both safe ✓
Less Maintenance Similar effort
Apartment Friendly Check space

⚡ Key Differences Between These Plants

🌿

Both plants have similar basic care requirements but differ in appearance and specific needs. Compare plants carefully to find the best fit for your space.

💡 Pro Tips For Comparing These Plants

Globe Amaranth Care Tips

Globe Amaranth is primarily an outdoor plant that requires full sun and well-draining soil. Indoor cultivation is challenging due to the high light requirements. Consistent watering and fertilization are necessary for healthy growth and abundant blooms. Proper ventilation is crucial to prevent fungal diseases.

  • Provide full sun for optimal flowering.
  • Water deeply but infrequently, allowing the soil to dry slightly between waterings.
  • Deadhead spent flowers regularly to encourage more blooms.
  • Fertilize every 2-4 weeks with a balanced liquid fertilizer.
  • Protect from strong winds, which can damage the stems.
❄️ Winter: Globe Amaranth is an annual and does not survive winter in cold climates. Collect seeds for planting the following spring.
☀️ Summer: Provide consistent watering, especially during hot and dry periods. Fertilize regularly to promote continuous blooming. Deadhead spent flowers to encourage more blooms.

Stokesia Care Tips

Stokesia laevis is primarily an outdoor plant and requires full sun to thrive. Indoor cultivation is difficult due to the plant's high light requirements. It needs well-drained soil and regular watering. Fertilize during the growing season. Prune spent flowers to encourage continued blooming. Overwintering indoors is possible but challenging.

  • Provide well-drained soil to prevent root rot.
  • Deadhead spent flowers regularly to encourage more blooms.
  • Fertilize in spring with a balanced fertilizer.
  • Water deeply but infrequently, allowing the soil to dry slightly between waterings.
  • Divide clumps every few years to maintain vigor.
❄️ Winter: In colder climates, provide mulch around the base of the plant to protect the roots from freezing. Cut back foliage after flowering.
☀️ Summer: Water regularly during dry periods. Deadhead spent flowers to encourage continued blooming. Provide support if the plant becomes leggy.

⚠️ Common Problems & Solutions — Plant Care Comparison

Globe Amaranth

Common Issues: Powdery mildew, root rot, aphids
Solutions: Powdery mildew: Improve air circulation and apply a fungicide. Root rot: Ensure well-draining soil and avoid overwatering. Aphids: Spray with insecticidal soap or neem oil.

Stokesia

Common Issues: Powdery mildew, Root rot, Aphids, Poor flowering
Solutions: Powdery mildew: Improve air circulation and apply a fungicide. Root rot: Ensure well-drained soil and avoid overwatering. Aphids: Spray with insecticidal soap. Poor flowering: Ensure adequate sunlight and fertilize regularly.

❓ Frequently Asked Questions — Comparing These Plants

Globe Amaranth

What are the light requirements for Globe Amaranth?

Globe Amaranth requires ample sunlight to thrive and produce abundant blooms. Aim for at least 6-8 hours of direct sunlight per day. A south-facing location is ideal, providing the most intense sunlight. If growing indoors, place the plant near a sunny window or supplement with grow lights. Insufficient light can result in leggy growth, fewer flowers, and duller colors. Rotate the plant regularly to ensure even light exposure on all sides. Plants grown in partial shade may still survive, but their flowering will be significantly reduced. Consider the intensity of the sun in your region, providing some afternoon shade in extremely hot climates to prevent scorching.

How do I care for Globe Amaranth?

Globe Amaranth is relatively easy to care for, thriving in warm, sunny conditions. Plant in well-draining soil that is moderately fertile. Water regularly, especially during dry periods, but avoid overwatering, which can lead to root rot. Fertilize every 4-6 weeks with a balanced fertilizer during the growing season to encourage abundant blooms. Deadhead spent flowers to promote continuous flowering. Provide full sun, ideally 6-8 hours per day. Protect from frost, as Globe Amaranth is sensitive to cold temperatures. Space plants adequately to allow for good air circulation. Monitor for pests such as aphids or spider mites and treat accordingly. Prune lightly to maintain shape and encourage branching. Avoid overhead watering to prevent fungal diseases.

How do I propagate Globe Amaranth?

Globe Amaranth is easily propagated from seed. Sow seeds indoors 6-8 weeks before the last frost or directly outdoors after the danger of frost has passed. For stem cuttings, take a 4-6 inch cutting from a healthy plant, remove the lower leaves, and dip the cut end in rooting hormone. Plant the cutting in moist potting mix and keep it humid until roots develop. Division is not typically used for Globe Amaranth. Keep soil moist but not soggy. Place in a warm, sunny location. Seedlings should emerge in 7-14 days. Transplant seedlings into individual pots once they are large enough to handle. Harden off seedlings before transplanting them outdoors.

Stokesia

What are the light requirements for Stokesia?

Stokesia requires at least six hours of direct sunlight per day to thrive and produce abundant blooms. While it can tolerate partial shade, especially in hotter climates, insufficient sunlight can lead to leggy growth and reduced flowering. Choose a location in your garden or on your patio that receives full sun for the best results. If growing Stokesia indoors in containers, place it near a sunny window or supplement with grow lights to ensure adequate light exposure. Rotate the plant regularly to ensure even light distribution on all sides. Monitor the plant for signs of inadequate light, such as elongated stems or pale leaves, and adjust its location accordingly.

How do I care for Stokesia?

Stokesia thrives in well-draining soil and prefers full sun to partial shade. Water regularly, especially during dry periods, ensuring the soil remains consistently moist but not waterlogged. Fertilize in early spring with a balanced fertilizer to promote healthy growth and abundant blooms. Deadhead spent flowers regularly to encourage continuous blooming throughout the summer and fall. In colder climates, provide winter protection by mulching around the base of the plant. Prune back the foliage in late winter or early spring to encourage new growth. Stokesia is relatively pest and disease-resistant, but monitor for common garden pests like aphids and spider mites. Proper air circulation helps prevent fungal diseases. Regular maintenance ensures a healthy and vibrant plant.

How do I propagate Stokesia?

Stokesia can be propagated through division, stem cuttings, or seed. For division, carefully dig up the plant in early spring or fall and divide the root ball into smaller sections, ensuring each section has healthy roots and foliage. Replant the divisions in well-draining soil. For stem cuttings, take 4-6 inch cuttings from new growth in spring or summer. Remove the lower leaves and dip the cut end in rooting hormone. Plant the cuttings in moist potting mix and keep them humid until they root, which usually takes a few weeks. Seeds can be sown indoors or directly in the garden in spring.

Last updated: May 9, 2026 — Plant care data reviewed and verified by our editorial team.