Source: Hosta ‘Invincible’ short overview
Hosta 'Invincible' is a vigorous perennial cultivar valued for its thick, glossy green leaves and fragrant pale lavender to near-white flowers. The dense, spreading clump works well in shaded beds, woodland borders, and containers. Give it organically rich, well-drained soil that stays evenly moist. It tolerates bright morning sun better than many hostas, but intense afternoon sun can bleach or scorch the foliage.
Taxonomic classification
Hosta ‘Invincible’ care guide
Light and placement
Grow in partial shade to shade, ideally with bright morning light and protection from strong afternoon sun. This cultivar is considered more sun-tolerant than many hostas when moisture is constant, but excessive sun can bleach or scorch leaves. Too little light may produce looser growth and reduce flowering.
Watering and humidity
Keep soil evenly moist, especially during establishment, hot weather, and container culture. Water deeply at the soil surface when the upper layer begins to dry rather than applying frequent shallow sprays. Reduce watering after foliage dies back, while avoiding prolonged winter saturation around the crown.
Soil and growing medium
Use organically rich, moisture-retentive but well-drained soil. Loam or improved clay is suitable when drainage is adequate. A slightly acidic to neutral reaction is appropriate. Mulch helps moderate soil temperature and moisture, but keep it away from the crown to reduce rot risk.
Feeding
Apply a modest layer of compost in spring or use a balanced, slow-release perennial fertilizer as growth begins. Avoid heavy nitrogen feeding, which can produce soft foliage and encourage pest problems. Stop routine fertilizing by late summer so plants can harden before dormancy.
Growth and habit
Forms a dense herbaceous clump from a crown and expands gradually by short rhizomatous growth. It dies back after frost and re-emerges in spring. Divide congested crowns when vigor declines or when additional plants are wanted.
Planting and repotting
Plant in spring or early fall when soil is workable. Set the crown at approximately soil level, with the buds just covered rather than deeply buried. Space plants about 18–30 inches apart depending on the intended effect and local growing conditions. Water consistently during establishment.
Repot container-grown plants in early spring as new shoots emerge, or divide and refresh the mix after several years. Use a container with drainage holes and avoid burying the crown deeply.
Propagation and pruning
Propagation
Propagate by division in early spring as shoots emerge or in early fall. Separate crowns with a sharp, clean knife while retaining viable buds and roots. Seed is not a reliable way to reproduce the named cultivar true to type.
Pruning
Remove spent flower scapes after flowering if seedpods are not wanted. Cut the foliage to the ground after frost or once it collapses in late fall. Clean away debris to reduce overwintering pest and disease pressure.
Overwintering
Leave healthy foliage in place until frost has collapsed it, then cut back and remove debris. In cold regions, a light mulch after the ground freezes can reduce heaving, but do not bury the crown deeply. Container plants need protection from repeated freeze-thaw cycles.
Uses
Use as a foliage specimen, edging plant, mass planting, woodland-border perennial, or shade-container plant. Its glossy leaves provide contrast beside ferns, heucheras, astilbes, and other shade plants. It is ornamental only; do not treat it as an edible or medicinal plant.
Appearance
The plant forms a dense mound of thick, glossy, green, heart-shaped to ovate leaves. Leaf margins are slightly wavy or rippled, and the substantial texture helps the foliage remain attractive through summer. Upright scapes rise above the leaves and carry pale, fragrant flowers.
Flowering
Fragrant, funnel-shaped flowers are borne in loose racemes on upright scapes in summer, commonly from June through August in the United States. Flower color is reported from pale lavender or lavender-pink to near white, and descriptions vary somewhat by source and growing conditions.
Pollination and visitors
Hosta flowers produce nectar and may be visited by insects, but cultivar-specific pollinator records for 'Invincible' were not located in authoritative sources. Because the evidence is insufficient, attraction is marked unknown rather than assigning visitor groups.
Hosta 'Invincible' photos
Click any photo for a larger view. Source, author and license are shown separately.
Diseases and pests
Diseases
Watch for crown rot, petiole rot, foliar nematodes, and virus symptoms such as irregular mottling or streaking. Provide drainage, avoid overhead irrigation when foliage remains wet, remove affected tissue, and obtain plants from reputable growers. Do not compost plants suspected of a serious viral disease.
Pests
Slugs and snails commonly damage hosta foliage, especially in damp gardens. Use raised or clean planting sites, remove hiding places, water at the soil surface, and use an appropriately labeled control when needed. Deer and rabbits may also browse the leaves; exclusion is the most reliable protection.
Related diseases and pests
Only Plant Doctor profiles whose host data indicate this plant may be affected are shown here.
DiseaseImpatiens necrotic spot virus diseaseImpatiens necrotic spot orthotospovirus
DiseaseSouthern blightAthelia rolfsii
PestStrawberry foliar nematodeAphelenchoides fragariae
Environmental stressExcess light stress
Environmental stressLeaf sunburn
DiseasePhytophthora root and crown rotPhytophthora nicotianae
PestBrown planthopperNilaparvata lugens (Stål)
PestRosy Apple AphidDysaphis plantaginea
Toxicity and pollen
Hostas contain saponins and are listed as toxic to dogs and cats by the ASPCA. Ingestion may cause gastrointestinal upset such as vomiting, diarrhea, or depression. Prevent pets from eating the foliage or flowers and contact a veterinarian if significant ingestion occurs.
- Typical season
- Summer flowering period
- Pollination / pollen
- Primarily insect-transferred pollen
This is an insect-pollinated flowering perennial, so its pollen is not typically released in large airborne clouds like wind-pollinated grasses or trees. Individual sensitivity is still possible, and the cultivar has fragrant flowers; avoid assuming zero allergy risk.
Native habitat
The cultivar is a garden selection rather than a wild population. It performs like other hostas in cool, moisture-retentive woodland-edge conditions with rich soil, filtered light, and protection from prolonged drought and intense heat.
Interesting fact
Introduced by Paul Aden in 1986 from a cross listed as 'Aden 314' × 'Aden 802'. Its unusually glossy, substantial foliage is one of its principal ornamental features. The cultivar is regarded as more sun-tolerant than many green hostas when soil moisture is maintained.
Frequently asked questions (FAQ)
The most relevant questions about this plant, with short and direct answers.
🌱Quick care
What is Hosta 'Invincible'?⌄
Hosta 'Invincible' is a clump-forming, deciduous perennial grown for its glossy green, gently wavy leaves and fragrant summer flowers. It is commonly used in shaded borders, woodland gardens, mass plantings, and containers.
How much light does Hosta 'Invincible' need?⌄
Hosta 'Invincible' grows best in partial shade to shade. It can tolerate some morning sun if the soil stays evenly moist, but intense afternoon sun may scorch the leaves.
How often should I water Hosta 'Invincible'?⌄
Water Hosta 'Invincible' whenever the soil surface begins to dry so the root zone remains evenly moist. Increase watering during hot, dry weather, especially for container-grown plants.
What soil is best for Hosta 'Invincible'?⌄
Plant Hosta 'Invincible' in moist, organically rich, well-drained loam. Improve poor soil with compost, but avoid locations that stay waterlogged.
🌤️Environment and placement
What USDA hardiness zones are suitable for Hosta 'Invincible'?⌄
Hosta 'Invincible' is generally hardy outdoors in USDA Zones 3 through 8, with some references extending its range to Zone 9. Performance in warmer zones is best in cool, shaded sites with dependable moisture.
How big does Hosta 'Invincible' get?⌄
Hosta 'Invincible' typically forms a mound about 10 to 18 inches tall and roughly 18 to 40 inches wide, depending on growing conditions and plant age. It may take several years to reach mature size.
Can Hosta 'Invincible' grow in full shade?⌄
Yes, Hosta 'Invincible' can grow in full shade, although filtered or partial shade usually supports stronger growth and flowering. Good soil moisture is especially important where light is very limited.
Can Hosta 'Invincible' tolerate morning sun?⌄
Yes, Hosta 'Invincible' can tolerate morning sun better than many hostas when its roots remain consistently moist. Protect it from strong afternoon sun and drying wind to reduce leaf scorch.
Can Hosta 'Invincible' grow in a container?⌄
Yes, Hosta 'Invincible' grows well in a container with drainage holes and moisture-retentive potting mix. Choose a container wide enough for the expanding clump and monitor it closely during hot weather.
💧Care and problems
Why are the leaves of my Hosta 'Invincible' turning brown?⌄
Brown leaf edges on Hosta 'Invincible' usually indicate drought stress, excessive sun, heat, wind, or salt buildup in the soil. Keep the root zone evenly moist and move container plants to a more sheltered, shaded location if needed.
What pests commonly affect Hosta 'Invincible'?⌄
Slugs and snails commonly damage Hosta 'Invincible' by leaving holes or ragged edges in the leaves. Deer may also browse the foliage, although this cultivar is sometimes reported as somewhat less palatable than other hostas.
How do I protect Hosta 'Invincible' from slugs?⌄
Reduce hiding places and excess surface moisture around Hosta 'Invincible', then use a slug-control method labeled for garden use. Check plants at night or after rain, when slugs are most active.
Should I fertilize Hosta 'Invincible'?⌄
Hosta 'Invincible' usually needs little fertilizer when planted in fertile, compost-enriched soil. If growth is weak, apply a balanced, slow-release fertilizer in spring according to the product label.
🪴Planting and repotting
When is the best time to plant Hosta 'Invincible'?⌄
The best times to plant Hosta 'Invincible' are spring and early fall, when temperatures are moderate and soil moisture is easier to maintain. Water thoroughly after planting and keep the soil evenly moist while roots establish.
How far apart should I plant Hosta 'Invincible'?⌄
Space Hosta 'Invincible' about 18 to 30 inches apart for individual plants, allowing more room if you want the clumps to reach their broadest spread. Use closer spacing for a faster massed effect.
Can Hosta 'Invincible' be grown under trees?⌄
Yes, Hosta 'Invincible' can grow under trees if it receives shade and does not have to compete excessively for water. Add organic matter and provide supplemental irrigation during dry periods.
How should I overwinter Hosta 'Invincible'?⌄
Hosta 'Invincible' overwinters outdoors in suitable USDA Zones and naturally goes dormant after frost. Leave the crown in the ground, then remove collapsed foliage in late fall or before new growth emerges in spring.
✂️Propagation and pruning
How do I propagate Hosta 'Invincible'?⌄
Propagate Hosta 'Invincible' by dividing the established clump in early spring or late summer. Separate sections with roots and growing points, then replant them promptly at the original depth.
Can Hosta 'Invincible' be grown from seed?⌄
Hosta 'Invincible' can produce viable seed, but seedlings may not reliably reproduce the parent plant's exact characteristics. Division is the preferred method when you want genetically identical plants.
Should I cut back Hosta 'Invincible' after flowering?⌄
Cut flower stalks from Hosta 'Invincible' after blooming if you want a tidier appearance or wish to prevent seed formation. Removing the flower stalks is optional and does not replace removing the foliage after it dies back.
⚠️Toxicity and safety
Is Hosta 'Invincible' toxic to dogs and cats?⌄
Yes, Hosta 'Invincible' is toxic to dogs and cats if eaten because hostas contain saponins. Ingestion can cause gastrointestinal upset, so contact a veterinarian or animal poison service if a pet consumes the plant.
🌸Flowering and special interest
When does Hosta 'Invincible' bloom?⌄
Hosta 'Invincible' generally blooms in summer, often from July into August in temperate U.S. gardens. The exact timing varies with climate, exposure, and seasonal weather.
Are Hosta 'Invincible' flowers fragrant?⌄
Yes, Hosta 'Invincible' is known for fragrant, pale lavender to near-white flowers. The scent is most noticeable when the flower stalks are in bloom and the plant is positioned where air circulates.
What color are the flowers of Hosta 'Invincible'?⌄
The flowers of Hosta 'Invincible' range from white to pale lavender or lilac. They are funnel-shaped and rise above the foliage on upright flower stalks.
