diff --git a/app/ecs-components/interactive.js b/app/ecs-components/interactive.js
new file mode 100644
index 0000000..aec4f83
--- /dev/null
+++ b/app/ecs-components/interactive.js
@@ -0,0 +1,37 @@
+import Component from '@/ecs/component.js';
+
+export default class Interactive extends Component {
+  instanceFromSchema() {
+    const {ecs} = this;
+    return class ControlledInstance extends super.instanceFromSchema() {
+      interact(initiator) {
+        this.interactScriptInstance.context.initiator = initiator;
+        const {Ticking} = ecs.get(this.entity);
+        Ticking.addTickingPromise(this.interactScriptInstance.tickingPromise());
+      }
+      get interacting() {
+        return !!this.$$interacting;
+      }
+      set interacting(interacting) {
+        this.$$interacting = interacting ? 1 : 0;
+      }
+    }
+  }
+  async load(instance) {
+    // heavy handed...
+    if ('undefined' !== typeof window) {
+      return;
+    }
+    instance.interactScriptInstance = await this.ecs.readScript(
+      instance.interactScript,
+      {
+        ecs: this.ecs,
+        subject: this.ecs.get(instance.entity),
+      },
+    );
+  }
+  static properties = {
+    interacting: {type: 'uint8'},
+    interactScript: {type: 'string'},
+  };
+}
diff --git a/app/ecs-components/interacts.js b/app/ecs-components/interacts.js
new file mode 100644
index 0000000..1ce774c
--- /dev/null
+++ b/app/ecs-components/interacts.js
@@ -0,0 +1,14 @@
+import Component from '@/ecs/component.js';
+
+export default class Interacts extends Component {
+  instanceFromSchema() {
+    return class ControlledInstance extends super.instanceFromSchema() {
+      toJSON() {
+        return {};
+      }
+    }
+  }
+  static properties = {
+    willInteractWith: {type: 'uint32'},
+  };
+}
diff --git a/app/ecs-systems/interactions.js b/app/ecs-systems/interactions.js
new file mode 100644
index 0000000..541be26
--- /dev/null
+++ b/app/ecs-systems/interactions.js
@@ -0,0 +1,47 @@
+import {System} from '@/ecs/index.js';
+
+export default class PlantGrowth extends System {
+
+  static queries() {
+    return {
+      default: ['Interacts'],
+    };
+  }
+
+  tick() {
+    for (const {Direction, Interacts, Position} of this.select('default')) {
+      Interacts.willInteractWith = 0
+      const box = {
+        x: Position.x - 8,
+        y: Position.y - 8,
+        w: 16,
+        h: 16,
+      }
+      if (0 === Direction.direction) {
+        box.y -= 16
+      }
+      if (1 === Direction.direction) {
+        box.x += 16
+      }
+      if (2 === Direction.direction) {
+        box.y += 16
+      }
+      if (3 === Direction.direction) {
+        box.x -= 16
+      }
+      // todo sort
+      const entities = Array.from(this.ecs.system('UpdateSpatialHash').within(
+        box.x,
+        box.y,
+        box.w,
+        box.h,
+      ));
+      for (let j = 0; j < entities.length; ++j) {
+        if (entities[j].Interactive && entities[j].Interactive.interacting) {
+          Interacts.willInteractWith = entities[0].id;
+        }
+      }
+    }
+  }
+
+}
diff --git a/app/engine.js b/app/engine.js
index 95af89c..e3a9527 100644
--- a/app/engine.js
+++ b/app/engine.js
@@ -58,7 +58,7 @@ export default class Engine {
       entity,
       payload,
     ] of this.incomingActions) {
-      const {Controlled, Inventory, Wielder} = entity;
+      const {Controlled, Ecs, Interacts, Inventory, Wielder} = entity;
       switch (payload.type) {
         case 'changeSlot': {
           if (!Controlled.locked) {
@@ -85,6 +85,18 @@ export default class Engine {
           }
           break;
         }
+        case 'interact': {
+          if (!Controlled.locked) {
+            if (payload.value) {
+              if (Interacts.willInteractWith) {
+                const ecs = this.ecses[Ecs.path];
+                const subject = ecs.get(Interacts.willInteractWith);
+                subject.Interactive.interact(entity);
+              }
+            }
+          }
+          break;
+        }
       }
     }
     this.incomingActions = [];
@@ -153,6 +165,7 @@ export default class Engine {
       'RunAnimations',
       'RunTickingPromises',
       'Water',
+      'Interactions',
     ];
     defaultSystems.forEach((defaultSystem) => {
       const System = ecs.system(defaultSystem);
@@ -171,6 +184,7 @@ export default class Engine {
       Ecs: {path: join('homesteads', `${id}`)},
       Emitter: {},
       Forces: {},
+      Interacts: {},
       Inventory: {
         slots: {
           // 1: {
diff --git a/app/packets/action.js b/app/packets/action.js
index c6ff220..132a4b4 100644
--- a/app/packets/action.js
+++ b/app/packets/action.js
@@ -7,6 +7,7 @@ const WIRE_MAP = {
   'moveLeft': 3,
   'use': 4,
   'changeSlot': 5,
+  'interact': 6,
 };
 Object.entries(WIRE_MAP)
   .forEach(([k, v]) => {
diff --git a/app/react-components/entities.jsx b/app/react-components/entities.jsx
index d193383..706b3d8 100644
--- a/app/react-components/entities.jsx
+++ b/app/react-components/entities.jsx
@@ -1,12 +1,43 @@
+import {AdjustmentFilter} from '@pixi/filter-adjustment';
+import {GlowFilter} from '@pixi/filter-glow';
 import {Container} from '@pixi/react';
+import {useEffect, useState} from 'react';
+
+import {useEcs} from '@/context/ecs.js';
+import {useMainEntity} from '@/context/main-entity.js';
 
 import Entity from './entity.jsx';
 
 export default function Entities({entities}) {
+  const [ecs] = useEcs();
+  const [mainEntity] = useMainEntity();
+  const [radians, setRadians] = useState(0);
+  const [willInteractWith, setWillInteractWith] = useState(0);
+  const [filters] = useState([new AdjustmentFilter(), new GlowFilter({color: 0x0})]);
+  const pulse = (Math.cos(radians) + 1) * 0.5;
+  filters[0].brightness = (pulse * 0.75) + 1;
+  filters[1].outerStrength = pulse * 0.5;
+  useEffect(() => {
+    setRadians(0);
+    const handle = setInterval(() => {
+      setRadians((radians) => (radians + 0.1) % (Math.PI * 2))
+    }, 50);
+    return () => {
+      clearInterval(handle);
+    };
+  }, [willInteractWith]);
+  useEffect(() => {
+    if (!mainEntity) {
+      return;
+    }
+    setWillInteractWith(ecs.get(mainEntity).Interacts.willInteractWith);
+  }, [entities, ecs, mainEntity]);
   const renderables = [];
   for (const id in entities) {
+    const isHighlightedInteraction = id == willInteractWith;
     renderables.push(
       <Entity
+        filters={isHighlightedInteraction ? filters : []}
         entity={entities[id]}
         key={id}
       />
diff --git a/app/react-components/entity.jsx b/app/react-components/entity.jsx
index 39793ce..a1988e9 100644
--- a/app/react-components/entity.jsx
+++ b/app/react-components/entity.jsx
@@ -29,7 +29,7 @@ function Crosshair({x, y}) {
   );
 }
 
-function Entities({entity}) {
+function Entity({entity, ...rest}) {
   const [debug] = useDebug();
   if (!entity) {
     return false;
@@ -41,6 +41,7 @@ function Entities({entity}) {
       {entity.Sprite && (
         <Sprite
           entity={entity}
+          {...rest}
         />
       )}
       {entity.Emitter && (
@@ -55,4 +56,4 @@ function Entities({entity}) {
   );
 }
 
-export default memo(Entities);
+export default memo(Entity);
diff --git a/app/react-components/sprite.jsx b/app/react-components/sprite.jsx
index b9619d3..16bb23d 100644
--- a/app/react-components/sprite.jsx
+++ b/app/react-components/sprite.jsx
@@ -2,7 +2,7 @@ import {Sprite as PixiSprite} from '@pixi/react';
 
 import {useAsset} from '@/context/assets.js';
 
-export default function Sprite({entity}) {
+export default function Sprite({entity, ...rest}) {
   const asset = useAsset(entity.Sprite.source);
   if (!asset) {
     return false;
@@ -21,6 +21,7 @@ export default function Sprite({entity}) {
       texture={texture}
       x={Math.round(entity.Position.x)}
       y={Math.round(entity.Position.y)}
+      {...rest}
     />
   );
 }
\ No newline at end of file
diff --git a/app/react-components/ui.jsx b/app/react-components/ui.jsx
index 5919b0d..ad8b3af 100644
--- a/app/react-components/ui.jsx
+++ b/app/react-components/ui.jsx
@@ -92,6 +92,10 @@ export default function Ui({disconnected}) {
           actionPayload = {type: 'use', value: KEY_MAP[type]};
           break;
         }
+        case 'e': {
+          actionPayload = {type: 'interact', value: KEY_MAP[type]};
+          break;
+        }
         case '1': {
           if ('keyDown' === type) {
             actionPayload = {type: 'changeSlot', value: 1};
diff --git a/package-lock.json b/package-lock.json
index baff630..ad799eb 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -7,6 +7,8 @@
       "name": "silphius-next",
       "dependencies": {
         "@msgpack/msgpack": "^3.0.0-beta2",
+        "@pixi/filter-adjustment": "^5.1.1",
+        "@pixi/filter-glow": "^5.2.1",
         "@pixi/particle-emitter": "^5.0.8",
         "@pixi/react": "^7.1.2",
         "@pixi/spritesheet": "^7.4.2",
@@ -3302,6 +3304,14 @@
         "@pixi/core": "7.4.2"
       }
     },
+    "node_modules/@pixi/filter-adjustment": {
+      "version": "5.1.1",
+      "resolved": "https://registry.npmjs.org/@pixi/filter-adjustment/-/filter-adjustment-5.1.1.tgz",
+      "integrity": "sha512-AUHe03rmqXwV1ylAHq62t19AolPWOOYomCcL+Qycb1tf+LbM8FWpGXC6wmU1PkUrhgNc958uM9TrA9nRpplViA==",
+      "peerDependencies": {
+        "@pixi/core": "^7.0.0-X"
+      }
+    },
     "node_modules/@pixi/filter-alpha": {
       "version": "7.4.2",
       "resolved": "https://registry.npmjs.org/@pixi/filter-alpha/-/filter-alpha-7.4.2.tgz",
@@ -3342,6 +3352,14 @@
         "@pixi/core": "7.4.2"
       }
     },
+    "node_modules/@pixi/filter-glow": {
+      "version": "5.2.1",
+      "resolved": "https://registry.npmjs.org/@pixi/filter-glow/-/filter-glow-5.2.1.tgz",
+      "integrity": "sha512-94I4XePDF9yqqA6KQuhPSphEHPJ2lXfqJLn0Bes8VVdwft0Ianj1wALqjoSUeBWqiJbhjBEXGDNkRZhPHvY3Xg==",
+      "peerDependencies": {
+        "@pixi/core": "^7.0.0-X"
+      }
+    },
     "node_modules/@pixi/filter-noise": {
       "version": "7.4.2",
       "resolved": "https://registry.npmjs.org/@pixi/filter-noise/-/filter-noise-7.4.2.tgz",
diff --git a/package.json b/package.json
index 562e2c9..7f4e734 100644
--- a/package.json
+++ b/package.json
@@ -14,6 +14,8 @@
   },
   "dependencies": {
     "@msgpack/msgpack": "^3.0.0-beta2",
+    "@pixi/filter-adjustment": "^5.1.1",
+    "@pixi/filter-glow": "^5.2.1",
     "@pixi/particle-emitter": "^5.0.8",
     "@pixi/react": "^7.1.2",
     "@pixi/spritesheet": "^7.4.2",
diff --git a/public/assets/tomato-plant/grow.js b/public/assets/tomato-plant/grow.js
index f6eea88..17935d6 100644
--- a/public/assets/tomato-plant/grow.js
+++ b/public/assets/tomato-plant/grow.js
@@ -1,4 +1,6 @@
-const {Sprite} = ecs.get(plant.entity);
+const {Interactive, Sprite} = ecs.get(plant.entity);
+
+plant.growth = 0
 
 if (plant.stage < 3) {
   plant.stage += 1
@@ -6,8 +8,8 @@ if (plant.stage < 3) {
 if (4 === plant.stage) {
   plant.stage = 3
 }
-if (3 !== plant.stage) {
-  plant.growth = 0
+if (3 === plant.stage) {
+  Interactive.interacting = true;
 }
 
 Sprite.animation = ['stage', plant.stage].join('/')
diff --git a/public/assets/tomato-plant/interact.js b/public/assets/tomato-plant/interact.js
new file mode 100644
index 0000000..340ddaa
--- /dev/null
+++ b/public/assets/tomato-plant/interact.js
@@ -0,0 +1,4 @@
+const {Interactive, Plant, Sprite} = subject;
+Interactive.interacting = false;
+Plant.stage = 4;
+Sprite.animation = ['stage', Plant.stage].join('/')
diff --git a/public/assets/tomato-seeds/start.js b/public/assets/tomato-seeds/start.js
index 834315b..0b5d511 100644
--- a/public/assets/tomato-seeds/start.js
+++ b/public/assets/tomato-seeds/start.js
@@ -9,10 +9,13 @@ if (projected?.length > 0) {
   const [, direction] = Sprite.animation.split(':')
 
   const plant = {
+    Interactive: {
+      interactScript: '/assets/tomato-plant/interact.js',
+    },
     Plant: {
       growScript: '/assets/tomato-plant/grow.js',
       mayGrowScript: '/assets/tomato-plant/may-grow.js',
-      stages: Array(5).fill(60),
+      stages: Array(5).fill(5),
     },
     Sprite: {
       anchor: {x: 0.5, y: 0.75},