Bard Magic • Spell Reference

Plant Growth Spell

Verdant Dominion • Overgrowth, Enrichment, and Living Terrain

Mounted soldiers face dense vegetation in a rocky ravine — Original spell illustration created with ChatGPT.

Plant Growth is nature magic acting on the world rather than merely on creatures. In one form, it makes existing vegetation grow thick, tangled, and obstructive, turning roads, clearings, hedges, orchards, and woodland edges into dangerous ground. In the other, it enriches crops and useful plants over a wide area, changing a year’s harvest and the fortunes of everyone who lives from the land.

This is not a spell for commanding plant monsters or conjuring a forest from bare stone. It works through ordinary living vegetation: grasses, briars, bushes, reeds, vines, creepers, thistles, crops, trees, orchard growth, and similar plants. A druid can cast it to halt pursuers, shield a retreat, deny a road to soldiers, protect a sacred grove, strengthen a border village, or turn a poor estate into a rich one.

In play, Plant Growth works best as a spell of terrain, food, and local power. It changes who can move, who can pursue, who can eat, and who can claim the land’s favour.

Plant Growth at a Glance

School	Transmutation
Bard level	2024 / 2014: 3; legacy: absent from standard Bard lists
Purpose	Overgrowth or enrichment of existing plants
Duration	Instantaneous
Concentration	None

Spell Rules by Edition

5.5e / 20245e / 2014Pathfinder 1eD&D 3.5e

Plant Growth — 5.5e / 2024

Rules source: System Reference Document 5.2.1.

Spell	Level 3 Transmutation
Classes	Bard, Druid, Ranger
Casting Time	Action (Overgrowth) or 8 hours (Enrichment)
Range	150 feet
Components	V, S
Duration	Instantaneous

This spell channels vitality into plants. The casting time you use determines whether the spell has the Overgrowth or the Enrichment effect below.

Overgrowth. Choose a point within range. All normal plants in a 100-foot-radius Sphere centered on that point become thick and overgrown. A creature moving through that area must spend 4 feet of movement for every 1 foot it moves. You can exclude one or more areas of any size within the spell’s area from being affected.

Enrichment. All plants in a half-mile radius centered on a point within range become enriched for 365 days. The plants yield twice the normal amount of food when harvested. They can benefit from only one Plant Growth per year.

Plant Growth — 5e / 2014

Rules source: System Reference Document 5.1.

Spell	Level 3 Transmutation
Classes	Bard, Druid, Ranger
Casting Time	1 action or 8 hours
Range	150 feet
Components	V, S
Duration	Instantaneous

This spell channels vitality into plants within a specific area. There are two possible uses for the spell, granting either immediate or long-term benefits.

If you cast this spell using 1 action, choose a point within range. All normal plants in a 100-foot radius centered on that point become thick and overgrown. A creature moving through the area must spend 4 feet of movement for every 1 foot it moves.

You can exclude one or more areas of any size within the spell’s area from being affected.

If you cast this spell over 8 hours, you enrich the land. All plants in a half-mile radius centered on a point within range become enriched for 1 year. The plants yield twice the normal amount of food when harvested.

Plant Growth — Pathfinder 1e

Rules source: Edition reference.

School	Transmutation
Level	Druid 3, Hunter 3, Ranger 3
Casting Time	1 standard action
Components	V, S, DF
Range	See text
Target or Area	See text
Duration	Instantaneous
Saving Throw	None
Spell Resistance	No

Plant Growth has different effects depending on the version chosen.

Overgrowth. This effect causes normal vegetation, including grasses, briars, bushes, creepers, thistles, trees, vines, and similar plants, within long range (400 feet + 40 feet per caster level) to become thick and overgrown. The plants entwine to form a thicket or jungle that creatures must hack or force a way through. Speed through the area drops to 5 feet, or 10 feet for Large or larger creatures.

If this spell is cast on an area that is already affected by any spell or effect that enhances plants, such as Entangle or Wall of Thorns, any DC involved with those spells is increased by 4. This bonus is granted for 1 day after the casting of Plant Growth.

The area must have brush and trees in it for this effect to work. At the caster’s option, the area may be a 100-foot-radius circle, a 150-foot-radius semicircle, or a 200-foot-radius quarter circle. The caster may designate places within the area that are not affected.

Enrichment. This effect targets plants within a range of one-half mile, raising their potential productivity over the course of the next year to one-third above normal.

Counterspell Interaction. Plant Growth counters Diminish Plants.

Plant Creatures. This spell has no effect on plant creatures.

Plant Growth — D&D 3.5e

Rules source: Edition reference.

School	Transmutation
Level	Druid 3, Plant domain 3, Ranger 3
Casting Time	1 standard action
Components	V, S, DF
Range	See text
Target or Area	See text
Duration	Instantaneous
Saving Throw	None
Spell Resistance	No

Plant growth has different effects depending on the version chosen.

Overgrowth This effect causes normal vegetation (grasses, briars, bushes, creepers, thistles, trees, vines) within long range (400 feet + 40 feet per caster level) to become thick and overgrown. The plants entwine to form a thicket or jungle that creatures must hack or force a way through. Speed drops to 5 feet, or 10 feet for Large or larger creatures. The area must have brush and trees in it for this spell to take effect.

At your option, the area can be a 100-foot-radius circle, a 150-foot-radius semicircle, or a 200-foot-radius quarter circle.

You may designate places within the area that are not affected.

Enrichment This effect targets plants within a range of one-half mile, raising their potential productivity over the course of the next year to one-third above normal.

Plant growth counters diminish plants.

This spell has no effect on plant creatures.

Edition Differences

Bard access	Bard 3 in 2024 and 2014. No standard Bard access in Pathfinder 1e or core 3.5.
Overgrowth movement	Modern: spend 4 feet for each 1 foot moved. Legacy: speed drops to 5 feet, or 10 feet for Large or larger creatures.
Enrichment	Modern: twice the normal food yield. Legacy: one-third above normal productivity for the next year. 2024 expressly limits a plant to one Plant Growth benefit per year.
Casting time	Modern enrichment takes 8 hours. Both legacy effects use 1 standard action.
Pathfinder interaction	For 1 day, Plant Growth adds +4 to DCs of existing plant-enhancing effects such as Entangle or Wall of Thorns. This is absent from the 3.5 text.

Practical Notes

Notes. The spell causes a physical change rather than creating an ongoing magical field. Once the growth occurs, it remains until cut back, harvested, burned, cleared, trampled down over time, or otherwise altered. The overgrowth form requires ordinary living plants in the area and does not create dense vegetation on bare stone, open water, worked metal, or lifeless ground.

Notes. The spell changes the terrain rather than creating a temporary magical zone. Once the vegetation has thickened, it remains until cut, burned, cleared, or otherwise dealt with. Flight, teleportation, climbing, and similar methods may bypass it where appropriate.

These notes explain the spell’s instantaneous change to existing vegetation; they do not add a new restraint or grapple condition. The movement rules in the chosen edition control travel through the affected ground.

Quick Rules Reference

Spell type: 3rd-level transmutation.
Main use: Makes existing normal vegetation thick and overgrown.
Secondary use: Improves plant productivity over a much larger area.
Saving Throw: None.
Spell Resistance: No in Pathfinder 1e / 3.5e-compatible rules.
Important limit: The spell requires ordinary living plants already present.
Does not affect: Plant creatures.
Practical role: Terrain control, road denial, ambush shaping, harvest blessing, and land magic.

Effect

Plant Growth has two broad uses. The first is immediate overgrowth: vegetation thickens into a tangled mass that is hard to cross and difficult to clear quickly. The second is enrichment: fields, orchards, gardens, vineyards, and similar planted or naturally productive land become more fruitful over the coming year.

The overgrowth form is strongest where plant life is already established: forest roads, riverbanks, marsh edges, hedge-lines, overgrown ruins, pastures, orchards, graveyards, abandoned fields, and woodland approaches. The enrichment form is quieter but often more consequential. A single casting can affect food supply, rents, tithes, local loyalty, and the political value of land.

Why This Spell Is Dangerous in the World

Plant Growth is dangerous because it changes how land can be used. Its overgrowth form closes roads, ruins cavalry momentum, slows infantry, hinders wagons, disrupts pursuit, and reshapes a battlefield without a single attack roll. Its enrichment form changes food supply, rents, tithes, labour expectations, and the value of estates over the next year.

That makes it more than a nature spell. It is a road spell, a siege spell, a border spell, and a famine spell. A rebel druid can deny soldiers and tax collectors the roads they rely on. A village priest or hedge-witch can prevent hunger and make a struggling settlement viable. A lord who controls a caster with this magic can enrich loyal tenants and make enemy land harder to reach.

In a late medieval world, food is power and movement is power. A spell that interferes with either can have consequences far beyond the scene in which it is cast. People remember the mage who made the wheat heavy with grain. They also remember the one who turned the king’s road into a wall of briars before the riders came.

Rules Clarifications and Edge Cases

Plant Growth requires living vegetation. Forest undergrowth, hedges, bramble patches, marsh plants, vines, weeds, pasture growth, orchards, and similar plant life can be affected. Bare courtyards, clean flagstones, deep cavern stone, and open sea normally cannot.
The spell does not create plants from nothing. It intensifies what is already there rather than summoning a new forest.
It is not Entangle. Plant Growth slows movement drastically, but it does not automatically restrain, grapple, or pin creatures unless another effect says so.
Plant creatures are unaffected. Treants, shambling mounds, awakened shrubs, assassin vines, and similar beings are not strengthened or controlled by the spell.
Excluded lanes are tactically important. A caster can leave narrow paths for allies, hidden escape routes, ambush channels, or safe ritual spaces inside the affected ground.
Instantaneous means lasting. This is not a concentration effect waiting to end. The ground is physically changed.
Fire is not a clean answer. Burning a way through may solve the movement problem, but it can also destroy crops, start a wider blaze, foul the air with smoke, and create serious legal or social consequences.

Good Combinations

Entangle: Plant Growth creates the slow ground; Entangle can then trap creatures within it.
Spike Growth: Plant Growth makes movement through the area expensive, while Spike Growth punishes every step of that movement.
Fog Cloud: Fog Cloud hides the true shape of the overgrown area and makes safe lanes harder to identify.
Wall of Thorns: Wall of Thorns provides the hard barrier, while Plant Growth turns the surrounding approach into a punishing crawl.
Speak with Plants: Speak with Plants lets the caster learn from local vegetation; Plant Growth lets the caster make that same landscape act.

Adventure Hooks

The Closed King’s Road. A royal road through old woodland becomes nearly impassable overnight. The court calls it rebellion. The villagers call it protection. The truth lies in an older land dispute, and something sacred in the forest has begun to take notice.

The Blessed Orchard. A poor manor becomes unexpectedly prosperous after its orchards produce impossible abundance for a full year. Neighbouring lords want the caster found. The local temple wants the miracle claimed. The peasants only know that for the first time in years, their children are not hungry.

The Briar Siege. Defenders keep a small fortress alive by using Plant Growth on every orchard, copse, and hedgerow around it. Attackers can burn a path through, but doing so may destroy the region’s food supply and turn local opinion against them.

Historical and Mythic Context

A man examines a flowering potted cactus among other plants in a garden, in a painting by Carl Spitzweg — By Carl Spitzweg – The Yorck Project (2002) 10.000 Meisterwerke der Malerei (DVD-ROM), distributed by DIRECTMEDIA Publishing GmbH. ISBN: 3936122202., Public Domain, Wikimedia Commons reproduction

Plant Growth belongs to an old and powerful idea: that the health of the land reflects the relationship between people, power, and the unseen world. Fruitful fields, heavy orchards, and passable roads are not merely agricultural facts. They are signs of order, blessing, peace, and proper stewardship. Thorn-choked borders, devouring woodland, and failed harvests suggest neglect, wrath, trespass, or broken obligation.

Its overgrowth aspect echoes stories of roads swallowed by forest, sacred groves closing against the unworthy, and wilderness reclaiming land that violence or arrogance has misused. Its enrichment aspect belongs to the opposite current: miracle harvests, blessed valleys, restored orchards, and fields that prosper because the right guardian, offering, or oath has been honoured.

For background reading, see sacred groves, agriculture and its wider social importance, and traditions of woodland regulation and contested access under forest law. In play, Plant Growth becomes much stronger when treated as a spell of roads, harvests, hedge-boundaries, and rural memory rather than a simple patch of difficult terrain.

The Living Barrier

A grey-haired caster grows fruiting branches across a stone gateway as armed men approach and patients shelter nearby — Growth closes an approach to a shelter. Original illustration created with ChatGPT.

A caster shelters a child behind a glowing briar barrier while lantern-bearing pursuers approach beneath a full moon — A hidden refuge behind overgrowth. Original illustration created with ChatGPT.

A caster raises vines around soldiers in a vineyard beneath a fortified hilltop building — Overgrowth changes the approach through cultivated land. Original illustration created with ChatGPT.

Earlier D&D 3.0e-labelled archive

The previous page carried the following text under a D&D 3.0e label. It is retained as the original archive; the separately sourced 3.5 panel above is the rules reference for that edition.

This material is Open Game Content, and is licensed for public use under the terms of the Open Game License v1.0a.

Transmutation

Level Druid 3, Plant 3, Ranger 3
Components V, S, DF
Casting Time 1 standard action
Range See text
Target or Area See text
Duration Instantaneous
Saving Throw None
Spell Resistance No

Plant growth has different effects depending on the version chosen.

Enrichment This effect targets plants within a range of one-half mile, raising their potential productivity over the course of the next year to one-third above normal.

Plant growth counters diminish plants.

This spell has no effect on plant creatures.

Rules Sources and Licensing

This work includes material taken from the System Reference Document 5.1 (“SRD 5.1”) by Wizards of the Coast LLC and available at https://dnd.wizards.com/resources/systems-reference-document. The SRD 5.1 is licensed under the Creative Commons Attribution 4.0 International License available at https://creativecommons.org/licenses/by/4.0/legalcode.

This work includes material from the System Reference Document 5.2.1 (“SRD 5.2.1”) by Wizards of the Coast LLC, available at https://www.dndbeyond.com/srd. The SRD 5.2.1 is licensed under the Creative Commons Attribution 4.0 International License, available at https://creativecommons.org/licenses/by/4.0/legalcode.

The Pathfinder and 3.5 spell mechanics and their tables are Open Game Content under the Open Game License v1.0a. Artwork and original setting prose are excluded from that designation.

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