Plant Clinic · Category

Growth Issues

Stunted growth, leggy stems, slow development, and abnormal new leaf formation.

136 problems41 Moderate82 Minor13 Critical

Growth problems manifest as slow development, small new leaves, leggy or etiolated stems, and abnormal leaf formation. These issues typically stem from insufficient light, poor nutrition, root problems, or environmental stress. Understanding the specific growth pattern helps pinpoint the underlying cause quickly.

All Growth Issues

Etiolation — Leggy, Weak Growth from Insufficient Light — monstera plant care

⚠ Moderate

Monstera deliciosa

Etiolation — Leggy, Weak Growth from Insufficient Light

New growth emerges pale, small, and widely spaced along elongated, thin stems. Leaves are significantly smaller than previous growth, may appear yellow-green, and internodal distances (the gaps between leaf nodes) are conspicuously long as the plant 'reaches' toward light. Variegated species may partially or fully revert to solid green as chlorophyll production increases to compensate.

Failure to Fenestrate — Immature, Holeless Leaves — monstera plant care

⚠ Minor

Monstera deliciosa

Failure to Fenestrate — Immature, Holeless Leaves

A mature Monstera or split-leaf Philodendron produces only small, solid, heart-shaped leaves without the characteristic splits (fenestrations) or holes expected at that size. New leaves remain juvenile in form, and internodes may be elongated. This is a developmental rather than a disease symptom, driven primarily by insufficient light and immature growth conditions.

Transplant & Acclimation Shock — peace-lily plant care

⚠ Moderate

Newly acquired aroids — Monstera

Transplant & Acclimation Shock

A recently purchased, repotted, or relocated plant drops leaves, yellows, or stalls within days to weeks despite reasonable care. The change in light, humidity, temperature, or substrate disrupts the plant's established balance, and Alocasia in particular may shed several leaves while adjusting. The decline is transient if conditions are stable, with new growth resuming once the plant adapts.

Winter Growth Stall & Dormancy Stress — monstera plant care

⚠ Minor

Alocasia spp.

Winter Growth Stall & Dormancy Stress

Growth slows dramatically or stops over winter, with some plants — Alocasia and Caladium especially — shedding leaves and appearing to die back to the tuber. Lower light, cooler temperatures, and shorter days reduce the plant's metabolism, and the usual watering and feeding regime becomes excessive for the slowed plant. This is a natural seasonal response rather than a disease.

Calcium Deficiency — Deformed New Leaves — monstera plant care

⚠ Moderate

Anthurium andraeanum

Calcium Deficiency — Deformed New Leaves

New leaves emerge distorted, hooked, or with dead, brown patches and necrotic margins, and growing tips may die back. Because calcium is immobile and cannot be relocated within the plant, symptoms appear specifically on the newest growth while older leaves remain normal. Affected leaves are often crinkled or fail to expand evenly.

Aerial Roots & Lack of Climbing Support — monstera plant care

⚠ Minor

Climbing aroids — Monstera deliciosa

Aerial Roots & Lack of Climbing Support

A climbing aroid produces long aerial roots that wave in the air or sprawl across the floor with nothing to attach to, while the plant grows leggy, sideways, or downward. Leaves may stay small and fail to mature without the vertical orientation climbing species need. The aerial roots are healthy and seeking a surface to anchor to — the issue is the absence of a support.

Propagation Failure — Cuttings Rotting or Stalling — monstera plant care

⚠ Moderate

Cuttings & divisions — Monstera

Propagation Failure — Cuttings Rotting or Stalling

A stem or node cutting placed to root softens, browns, and mushes at the cut end instead of producing roots, or simply stalls indefinitely without rooting. The node may blacken and the cutting eventually collapses. Failures cluster around overly wet, contaminated, or poorly chosen cuttings rather than any single disease.

Calathea New Growth Dying — Unfurling Leaves Rotting Before Opening — calathea plant care

⚠ Critical

Calathea orbifolia

Calathea New Growth Dying — Unfurling Leaves Rotting Before Opening

New leaves emerge as tightly rolled spears but fail to unfurl fully — the tips turn brown and mushy, the leaf sticks together, or the emerging shoot collapses before opening. In severe cases, the growth point itself rots, halting all new growth indefinitely. This condition differs from general tip burn as it exclusively affects developing growth that has not yet unfurled.

Peace Lily Not Flowering — Insufficient Light, Age or Temperature Gap — peace-lily plant care

⚠ Minor

Spathiphyllum wallisii (Peace Lily)

Peace Lily Not Flowering — Insufficient Light, Age or Temperature Gap

A Peace Lily that is otherwise healthy but produces no spathes — the white flowers — despite being of flowering age. The plant continues to push new foliage but no blooms emerge. Flowering in Spathiphyllum is triggered by a combination of adequate light intensity and, in many cultivars, a mild temperature fluctuation between night and day that signals the transition from vegetative to reproductive growth.

⚠ Minor

Anthurium andraeanum

Anthurium Not Flowering — Low Light, Rootbound or Nutrient Imbalance

An Anthurium that produces healthy foliage but no new spathes, or produces spathes at very long intervals of 6+ months between blooms. Under ideal conditions, a mature Anthurium should produce a new spathe every 6–8 weeks year-round. Prolonged gaps between spathes indicate the plant is allocating resources to vegetative recovery rather than reproduction, usually in response to an environmental limiting factor.

Alocasia Seasonal Leaf Drop — Normal Dormancy vs. Root Stress — alocasia plant care

⚠ Minor

Alocasia spp.

Alocasia Seasonal Leaf Drop — Normal Dormancy vs. Root Stress

Alocasia leaves yellow one by one and detach, leaving bare stems or corms. This follows two very different patterns: normal dormancy (a gradual, seasonal process in autumn/winter where the plant retreats to its corm) or pathological leaf drop from root damage (which can occur at any time of year and is accompanied by mushy corm tissue or pest infestation). Distinguishing between these two is critical — treating normal dormancy as a disease causes unnecessary intervention and sometimes kills the plant.

Leggy Pothos with long bare stems — light deficiency diagnosis

⚠ Minor

Epipremnum aureum — Golden Pothos

Pothos Leggy Growth — Long Bare Stems from Insufficient Light

The plant produces long internodes (the stem sections between leaves) with smaller-than-normal leaf size, and lower leaves drop leaving bare woody stems. New leaves emerge but are widely spaced rather than clustered. In variegated cultivars like Marble Queen, leaves in low light lose their white variegation and revert to plain green as the plant maximises chlorophyll production. Pothos is famously tolerant of low light but will grow slowly and leggily, not thrivingly, in poor conditions.

Fiddle Leaf Fig stopped growing — light deficiency and care optimisation

⚠ Minor

Ficus lyrata (Fiddle Leaf Fig)

Fiddle Leaf Fig Not Producing New Leaves — Light Deficiency & Seasonal Dormancy

The plant produces no new growth for weeks or months. The growing tip remains static with no visible bud swelling or emergence. Existing leaves are healthy and the plant otherwise looks stable. Ficus lyrata requires substantial bright indirect light to produce new growth — it is a forest-edge tree that receives bright, filtered light for most of the day in its native habitat. Indoors, positions more than 2 metres from a bright window often provide insufficient light energy to fuel leaf production, even though the plant survives indefinitely in these conditions.

Fiddle Leaf Fig transplant shock — leaf drop after repotting Ficus lyrata

⚠ Moderate

Ficus lyrata (Fiddle Leaf Fig)

Fiddle Leaf Fig Transplant Shock — Leaf Drop After Repotting

Immediately or within 1-3 weeks of repotting, the plant drops multiple leaves, wilts, and shows no new growth. Remaining leaves may yellow slightly. This is the most stressful event in a Ficus lyrata's life apart from moving — root disturbance during repotting disrupts the plant's carefully established water uptake system, triggering a stress response. The scale of leaf drop typically correlates with the extent of root disturbance during the repot.

Leggy Fiddle Leaf Fig with bare trunk from low light — Ficus lyrata care

⚠ Minor

Ficus lyrata (Fiddle Leaf Fig)

Fiddle Leaf Fig Leggy Bare Trunk — Leaf Loss and Sparse Growth from Low Light

The lower portion of the trunk becomes bare as older leaves drop, while the plant continues to produce a sparse cluster of leaves only at the very top. New leaves are smaller than expected for the cultivar. The overall appearance is a tall, thin trunk with minimal foliage — the characteristic 'palm tree' look that indicates chronic low-light stress. Without sufficient light, Ficus lyrata cannot maintain its lower canopy of large leaves and progressively sheds them to concentrate its limited energy on the apical growing point.

Snake plant not growing — identifying dormancy and root-bound conditions

⚠ Minor

Sansevieria trifasciata / Dracaena trifasciata — all cultivars

Snake Plant Not Growing — Winter Dormancy & Root-Bound Conditions

The plant produces no new leaves or offsets (pups) for months or years. Existing leaves remain healthy but no new growth points are visible at the substrate surface. Snake plants are naturally slow-growing and virtually stop all growth in winter regardless of care. However, chronically root-bound plants also stop producing pups even in summer — the dense root mass signals to the plant that space is exhausted and reproduction (which pup production essentially is) is suppressed.

Snake plant leaf cutting propagation — rooting technique and variegation loss

⚠ Minor

Sansevieria trifasciata / Dracaena trifasciata — leaf cutting propagation

Snake Plant Leaf Cutting Failure — Rot Before Rooting & Variegation Loss

Leaf sections cut for propagation turn mushy and rot from the cut end before producing roots, or root successfully but produce only plain green pups (variegation loss). Two distinct problems are grouped here because they share the propagation context. Leaf rot in cuttings is the result of planting cut sections in moist substrate before a callous forms. Variegation loss is an inherent genetic limitation of leaf-cutting propagation: variegated cultivars (like Laurentii with its yellow margins) revert to all-green when propagated from leaves — variegation in these cultivars is in the outer tissue only and is not reproduced by leaf cells.

Blossom Drop � Flowers Falling Before Fruiting � chili pepper plant care

⚠ Moderate

Capsicum annuum

Blossom Drop � Flowers Falling Before Fruiting

Flowers form normally but wither and drop off within a few days, without ever setting fruit. The plant otherwise looks healthy, with green foliage and continued new flower production, but very few flowers actually convert to peppers.

Blossom End Rot on Peppers � chili pepper plant care

⚠ Moderate

Capsicum annuum

Blossom End Rot on Peppers

A sunken, dark brown to black leathery patch develops on the bottom (blossom end) of developing fruit, while the rest of the pepper looks otherwise normal. The lesion doesn't spread as fuzzy mould, but it does soften and can allow secondary rot to set in.

Poor Fruit Set Despite Healthy Flowering � chili pepper plant care

⚠ Moderate

Capsicum annuum

Poor Fruit Set Despite Healthy Flowering

The plant produces plenty of flowers over an extended period, but very few develop into peppers. The plant otherwise appears vigorous and green, making the lack of fruit puzzling.

⚠ Minor

Capsicum annuum

Stunted Growth in Young Pepper Plants

The plant grows very slowly or barely at all after transplanting, with small, sometimes purple-tinged leaves and a generally weak appearance compared to expected growth for its age.

Leggy, Sparse Growth in Mint � mint plant care

⚠ Minor

Mentha spicata

Leggy, Sparse Growth in Mint

Stems grow long and thin with widely spaced leaves, and the overall patch looks sparse and straggly rather than bushy and full, especially toward the middle or late season.

Mint Leaves Tasting Bitter � mint plant care

⚠ Minor

Mentha spicata

Mint Leaves Tasting Bitter

Harvested leaves taste noticeably more bitter or less fresh than expected, often coinciding with the plant flowering or with older, more mature growth being picked instead of fresh new leaves.

Mint Spreading Uncontrollably � mint plant care

⚠ Minor

Mentha spicata

Mint Spreading Uncontrollably

Mint rapidly expands well beyond its original planting area via underground runners, popping up in unexpected parts of the garden and potentially crowding out neighbouring plants.

Basil Bolting and Flowering Too Early � basil plant care

⚠ Minor

Ocimum basilicum (Basil)

Basil Bolting and Flowering Too Early

The plant sends up tall flower spikes earlier than expected, and leaf production slows as energy shifts toward flowering. Leaves harvested around this time often taste more bitter than usual.

Slow or Stalled Growth in Basil � basil plant care

⚠ Minor

Ocimum basilicum (Basil)

Slow or Stalled Growth in Basil

The plant produces very few new leaves over an extended period and generally looks stalled rather than actively growing, despite otherwise appearing healthy and green.

Blossom End Rot on Tomatoes � tomato plant care

⚠ Moderate

Solanum lycopersicum (Tomato)

Blossom End Rot on Tomatoes

A sunken, dark brown to black leathery patch develops on the bottom of the fruit, opposite the stem. The rest of the tomato looks otherwise normal, and the lesion doesn't spread as fuzzy mould, though it can allow secondary rot to move in.

Tomato Flowers Dropping Before Fruiting � tomato plant care

⚠ Moderate

Solanum lycopersicum (Tomato)

Tomato Flowers Dropping Before Fruiting

Flowers form normally but wither and fall off within a few days without setting fruit. The plant continues producing new flowers, but very few actually develop into tomatoes.

Excessive Sucker Growth Reducing Tomato Yield � tomato plant care

⚠ Minor

Solanum lycopersicum (Tomato)

Excessive Sucker Growth Reducing Tomato Yield

The plant produces many small side shoots (suckers) growing from the junction between the main stem and each leaf branch, resulting in a dense, sprawling plant with abundant foliage but fewer, smaller fruit than expected.

Fruit Cracking and Splitting on Tomatoes � tomato plant care

⚠ Minor

Solanum lycopersicum (Tomato)

Fruit Cracking and Splitting on Tomatoes

Concentric rings or radial cracks appear on the skin of ripening fruit, sometimes exposing the flesh underneath. Cracked fruit is still often edible if harvested promptly, but is more prone to rot.

Leggy, Woody Rosemary With Sparse New Growth � rosemary plant care

⚠ Minor

Salvia rosmarinus (Rosemary)

Leggy, Woody Rosemary With Sparse New Growth

The plant develops long, bare, woody stems with foliage clustered only at the tips, giving it a sparse, straggly appearance rather than the dense, bushy form rosemary can have with regular care.

Rosemary Not Surviving Winter Outdoors � rosemary plant care

⚠ Moderate

Salvia rosmarinus (Rosemary)

Rosemary Not Surviving Winter Outdoors

The plant appears to die back significantly or completely over winter, with brown, dry foliage and no new growth appearing once spring arrives, particularly in regions with hard frosts.

Rosemary Not Flowering � rosemary plant care

⚠ Minor

Salvia rosmarinus (Rosemary)

Rosemary Not Flowering

The plant grows healthy foliage but produces few or no of its characteristic small blue-purple flowers, even though it appears otherwise vigorous and well established.

Catfacing — Deformed, Scarred Tomato Fruit — tomato plant care

⚠ Minor

Solanum lycopersicum (Tomato)

Catfacing — Deformed, Scarred Tomato Fruit

Fruit develops puckered, scarred, or malformed blossom ends, sometimes with deep folds or cavities, most common on the first fruits of the season on large-fruited varieties.

Tomato Yellow Leaf Curl Virus (TYLCV) — tomato plant care

⚠ Critical

Solanum lycopersicum (Tomato)

Tomato Yellow Leaf Curl Virus (TYLCV)

New leaves emerge small, cupped upward, and yellow along the margins, with the whole plant becoming visibly stunted and bushy. Flowering drops sharply and existing fruit rarely matures normally once symptoms appear.

⚠ Moderate

Cucurbita pepo

Blossom End Rot on Pumpkin Fruit

A sunken, dark, leathery patch develops on the blossom end of developing fruit — the end opposite the stem — while the rest of the pumpkin looks otherwise healthy.

⚠ Moderate

Cucurbita pepo

Pumpkin Flowers Not Setting Fruit

The vine produces plenty of flowers, but they wither and drop without developing into fruit, or tiny fruit start to form and then shrivel and rot within days of the flower closing.

⚠ Critical

Cucurbita pepo

Sudden Vine Collapse in Pumpkin

A healthy-looking vine wilts and collapses within a day or two, often with no obvious warning signs beforehand. The rest of the plant may remain fine if the damage is isolated to one section.

⚠ Critical

Cucurbita pepo

Mosaic Virus on Pumpkin Plants

Leaves develop a mottled light-and-dark green pattern, sometimes with distorted, narrowed, or curled shape. Fruit can show raised bumpy patches or a blotchy mottled colour pattern, and overall vine vigour declines.

⚠ Moderate

Cucurbita pepo

Fruit Splitting on Pumpkins

Cracks appear on the pumpkin's skin, sometimes shallow and cosmetic, other times deep enough to expose the flesh underneath, typically appearing during rapid growth phases.

⚠ Minor

Cucurbita pepo

Stunted Growth in Young Pumpkin Plants

Seedlings or young vines grow very slowly, with small leaves and minimal vine extension compared to expected growth for their age, even under seemingly adequate conditions.

⚠ Minor

Cucurbita pepo

Misshapen or Lopsided Pumpkin Fruit

The developing fruit grows unevenly, ending up lopsided, flattened on one side, or oddly shaped rather than the expected round or oval form for the variety.

⚠ Critical

Passiflora edulis (Passion Fruit)

Passion Fruit Woodiness Virus

Leaves develop a mottled mosaic pattern with distorted, narrowed shape, and fruit becomes hard, small, and woody with thick rind and little pulp.

⚠ Moderate

Passiflora edulis (Passion Fruit)

Passion Fruit Vine Flowering But Not Fruiting

The vine produces abundant, fragrant flowers, but very few develop into fruit, with most flowers wilting and dropping within a day or two of opening.

⚠ Moderate

Passiflora edulis (Passion Fruit)

Passion Fruit Dropping Before Ripening

Fruit falls from the vine while still green or only partially ripe, sometimes in significant quantity, well before reaching full size and colour.

⚠ Minor

Passiflora edulis (Passion Fruit)

Slow Growth and Cold Stress in Passion Fruit

The vine grows very slowly or stalls entirely during cool weather, with new growth stunted, purple-tinged, or slow to unfurl.

⚠ Critical

Musa acuminata

Banana Bunchy Top Virus (BBTV)

New leaves emerge progressively smaller, narrower, and more upright, giving the plant a stunted, bunched rosette appearance at the top. Dark green streaks ('Morse code' pattern) appear along leaf veins and petioles.

⚠ Minor

Musa acuminata

Slow or Stunted Growth in Banana Plants

The plant produces very few new leaves over an extended period and looks generally stalled rather than actively growing.

⚠ Minor

Musa acuminata

Banana Plant Not Producing Fruit Indoors

The plant grows large and healthy but never flowers or fruits, even after years of good care in an indoor or container setting.

⚠ Minor

Musa acuminata

Overcrowded Suckers Reducing Banana Vigour

Multiple suckers (baby plants) crowd around the base of the main plant, and overall vigour and fruit size decline as the clump becomes overcrowded.

⚠ Moderate

Actinidia deliciosa

Kiwi Vine Not Setting Fruit

The vine flowers but produces no fruit, or only a handful of small, poorly-formed fruit despite abundant blossom.

⚠ Minor

Actinidia deliciosa

Slow Establishment in Newly Planted Kiwi Vines

A newly planted vine grows very slowly or barely at all in its first season or two, showing minimal new growth compared to expectations.

⚠ Moderate

Actinidia deliciosa

Kiwi Fruit Dropping Before Ripening

Fruit falls from the vine while still small and hard, sometimes in noticeable quantity, well before the normal autumn harvest window.

⚠ Minor

Actinidia deliciosa

Excessive Vine Growth But No Fruiting

The vine grows extremely vigorously with lush foliage covering the trellis, but produces little to no fruit despite reaching a mature size.

⚠ Minor

Actinidia deliciosa

Splitting Fruit on Kiwi Vines

Cracks appear on the fruit's skin, typically during rapid growth phases, especially after inconsistent watering.

⚠ Moderate

Actinidia deliciosa

Frost Damage to New Kiwi Growth

Tender new shoots and leaves blacken and wilt after a late spring frost, while older, hardened growth remains unaffected.

⚠ Moderate

Vitis vinifera

Poor Fruit Set and Shatter on Grapevines

Many flowers fail to develop into berries, leaving unusually loose, sparse clusters with far fewer grapes than expected.

⚠ Moderate

Vitis vinifera

Bird Damage to Ripening Grapes

Birds peck and consume ripening berries, sometimes destroying entire clusters just as fruit reaches peak ripeness.

⚠ Minor

Vitis vinifera

Splitting Grape Berries

Cracks appear in the berry skin, especially after rain following a dry period, sometimes leading to secondary rot in the split fruit.

⚠ Minor

Vitis vinifera

Excessive Vine Growth But Poor Fruiting

The vine produces vigorous, leafy growth covering the trellis, but flower and fruit production is disappointing relative to the vine's size.

⚠ Moderate

Vitis vinifera

Crown Gall on Grape Vines

Rough, irregular, woody galls form at the base of the trunk or on roots, sometimes girdling and weakening the vine over time.

⚠ Minor

Cucumis sativus (Cucumber)

Bitter-Tasting Cucumbers

Fruit, especially near the stem end, develops a noticeably bitter taste, sometimes throughout the whole cucumber in severe cases.

⚠ Moderate

Cucumis sativus (Cucumber)

Blossom End Rot on Cucumbers

A sunken, dark, water-soaked patch develops on the blossom end of developing fruit, expanding as the cucumber grows.

⚠ Minor

Cucumis sativus (Cucumber)

Curved or Misshapen Cucumbers

Fruit develops a curved, hooked, or otherwise irregular shape rather than the expected straight, uniform form.

⚠ Critical

Cucumis sativus (Cucumber)

Sudden Vine Collapse in Cucumber Plants

A healthy-looking vine wilts and collapses within a day or two, sometimes with no obvious warning signs beforehand.

⚠ Minor

Cucumis sativus (Cucumber)

Slow Growth From Cold Stress in Cucumber

Seedlings or young vines grow very slowly, with pale or purple-tinged leaves, when soil or air temperatures are too cool.

⚠ Moderate

Cucumis sativus (Cucumber)

Poor Pollination Reducing Cucumber Yield

Flowers form and open normally but fail to develop into fruit, or tiny fruit start forming and then yellow and shrivel within days.

⚠ Moderate