diff --git a/frontend/src/stores/plants.ts b/frontend/src/stores/plants.ts
index f6479b2..35e590f 100644
--- a/frontend/src/stores/plants.ts
+++ b/frontend/src/stores/plants.ts
@@ -1,6 +1,7 @@
+// frontend/src/stores/plants.ts
 import { defineStore } from 'pinia'
 import { ref } from 'vue'
-import { plantsApi, type Plant } from '@/api/plants'
+import { plantsApi, type Plant, type PlantVariety } from '@/api/plants'
 
 export const usePlantsStore = defineStore('plants', () => {
   const plants = ref<Plant[]>([])
@@ -18,10 +19,45 @@ export const usePlantsStore = defineStore('plants', () => {
     return created
   }
 
+  async function update(id: number, p: Partial<Plant>) {
+    const updated = await plantsApi.update(id, p)
+    const idx = plants.value.findIndex(x => x.id === id)
+    if (idx !== -1) plants.value[idx] = updated
+    return updated
+  }
+
   async function remove(id: number) {
     await plantsApi.delete(id)
     plants.value = plants.value.filter(p => p.id !== id)
   }
 
-  return { plants, loading, fetchAll, create, remove }
+  async function createVariety(plantId: number, v: Partial<PlantVariety>) {
+    const created = await plantsApi.createVariety(plantId, v)
+    const plant = plants.value.find(p => p.id === plantId)
+    if (plant) {
+      if (!plant.varieties) plant.varieties = []
+      plant.varieties.push(created)
+    }
+    return created
+  }
+
+  async function updateVariety(plantId: number, vid: number, v: Partial<PlantVariety>) {
+    const updated = await plantsApi.updateVariety(plantId, vid, v)
+    const plant = plants.value.find(p => p.id === plantId)
+    if (plant?.varieties) {
+      const idx = plant.varieties.findIndex(x => x.id === vid)
+      if (idx !== -1) plant.varieties[idx] = updated
+    }
+    return updated
+  }
+
+  async function removeVariety(plantId: number, vid: number) {
+    await plantsApi.deleteVariety(plantId, vid)
+    const plant = plants.value.find(p => p.id === plantId)
+    if (plant?.varieties) {
+      plant.varieties = plant.varieties.filter(v => v.id !== vid)
+    }
+  }
+
+  return { plants, loading, fetchAll, create, update, remove, createVariety, updateVariety, removeVariety }
 })