diff --git a/api/src/main/java/net/momirealms/customcrops/api/action/builtin/ActionPlant.java b/api/src/main/java/net/momirealms/customcrops/api/action/builtin/ActionPlant.java
index 12c2b62..55225e1 100644
--- a/api/src/main/java/net/momirealms/customcrops/api/action/builtin/ActionPlant.java
+++ b/api/src/main/java/net/momirealms/customcrops/api/action/builtin/ActionPlant.java
@@ -72,7 +72,7 @@ public class ActionPlant<T> extends AbstractBuiltInAction<T> {
             plugin.getPluginLogger().warn("`plant` action is not executed due to crop[" + key + "] not exists");
             return;
         }
-        Location cropLocation = requireNonNull(context.arg(ContextKeys.LOCATION)).clone().add(0,y,0);
+        Location cropLocation = requireNonNull(context.arg(ContextKeys.LOCATION)).clone().add(0, y, 0);
         Location potLocation = cropLocation.clone().subtract(0,1,0);
         Optional<CustomCropsWorld<?>> optionalWorld = plugin.getWorldManager().getWorld(cropLocation.getWorld());
         if (optionalWorld.isEmpty()) {
@@ -86,6 +86,7 @@ public class ActionPlant<T> extends AbstractBuiltInAction<T> {
         CustomCropsBlockState potState = potBlock.fixOrGetState(world, potPos3, potConfig, potItemID);
         if (potState == null) {
             plugin.debug(() -> "Pot doesn't exist below the crop when executing `plant` action at location[" + world.worldName() + "," + potPos3 + "]");
+            return;
         }
 
         CropBlock cropBlock = (CropBlock) BuiltInBlockMechanics.CROP.mechanic();
diff --git a/api/src/main/java/net/momirealms/customcrops/api/core/AbstractCustomEventListener.java b/api/src/main/java/net/momirealms/customcrops/api/core/AbstractCustomEventListener.java
index 5a5931c..9210e82 100644
--- a/api/src/main/java/net/momirealms/customcrops/api/core/AbstractCustomEventListener.java
+++ b/api/src/main/java/net/momirealms/customcrops/api/core/AbstractCustomEventListener.java
@@ -28,6 +28,7 @@ import net.momirealms.customcrops.api.core.mechanic.pot.PotConfig;
 import net.momirealms.customcrops.api.core.mechanic.sprinkler.SprinklerConfig;
 import net.momirealms.customcrops.api.core.world.CustomCropsBlockState;
 import net.momirealms.customcrops.api.core.world.CustomCropsWorld;
+import net.momirealms.customcrops.api.core.world.ExplosionIndicator;
 import net.momirealms.customcrops.api.core.world.Pos3;
 import net.momirealms.customcrops.api.event.BoneMealDispenseEvent;
 import net.momirealms.customcrops.api.util.EventUtils;
@@ -54,11 +55,13 @@ import org.bukkit.event.player.PlayerItemDamageEvent;
 import org.bukkit.inventory.Inventory;
 import org.bukkit.inventory.ItemStack;
 
+import java.lang.reflect.Constructor;
 import java.util.*;
 
 public abstract class AbstractCustomEventListener implements Listener {
     private final HashSet<EntityType> entities = new HashSet<>();
     private final HashSet<Material> blocks = new HashSet<>();
+    private final ExplosionIndicator explosionIndicator;
 
     protected Set<Material> ignoredMaterials() {
         return blocks;
@@ -88,6 +91,17 @@ public abstract class AbstractCustomEventListener implements Listener {
         if (VersionHelper.isVersionNewerThan1_20()) {
             this.blocks.add(Material.CHERRY_LEAVES);
         }
+        if (!VersionHelper.isVersionNewerThan1_21()) {
+            this.explosionIndicator = new ExplosionIndicator.AlwaysTrue();
+        } else {
+            try {
+                Class<?> clazz = Class.forName("net.momirealms.customcrops.bukkit.j21.ModernExplosionIndicator");
+                Constructor<?> constructor = clazz.getConstructor();
+                this.explosionIndicator = (ExplosionIndicator) constructor.newInstance();
+            } catch (ReflectiveOperationException e) {
+                throw new RuntimeException("Failed to init ", e);
+            }
+        }
     }
 
     @EventHandler
@@ -315,6 +329,9 @@ public abstract class AbstractCustomEventListener implements Listener {
 
     @EventHandler (ignoreCancelled = true, priority = EventPriority.HIGHEST)
     public void onExplosion(EntityExplodeEvent event) {
+        if (!this.explosionIndicator.canDestroyBlocks(event)) {
+            return;
+        }
         Entity entity = event.getEntity();
         for (Block block : event.blockList()) {
             this.itemManager.handleEntityExplode(entity, block.getLocation(), this.itemManager.blockID(block), event);
diff --git a/api/src/main/java/net/momirealms/customcrops/api/core/mechanic/crop/CropConfig.java b/api/src/main/java/net/momirealms/customcrops/api/core/mechanic/crop/CropConfig.java
index 6ffb814..f6bfab0 100644
--- a/api/src/main/java/net/momirealms/customcrops/api/core/mechanic/crop/CropConfig.java
+++ b/api/src/main/java/net/momirealms/customcrops/api/core/mechanic/crop/CropConfig.java
@@ -24,6 +24,7 @@ import org.bukkit.entity.Player;
 import org.jetbrains.annotations.Nullable;
 
 import java.util.Collection;
+import java.util.List;
 import java.util.Map;
 import java.util.Set;
 
@@ -46,6 +47,8 @@ public interface CropConfig {
      */
     String seed();
 
+    List<String> seeds();
+
     /**
      * Gets the maximum growth points for this crop.
      *
@@ -247,7 +250,7 @@ public interface CropConfig {
          * @param seed The seed item ID.
          * @return The builder instance for chaining.
          */
-        Builder seed(String seed);
+        Builder seed(List<String> seed);
 
         /**
          * Sets the maximum growth points for this crop.
diff --git a/api/src/main/java/net/momirealms/customcrops/api/core/mechanic/crop/CropConfigImpl.java b/api/src/main/java/net/momirealms/customcrops/api/core/mechanic/crop/CropConfigImpl.java
index b7b9f46..a426f68 100644
--- a/api/src/main/java/net/momirealms/customcrops/api/core/mechanic/crop/CropConfigImpl.java
+++ b/api/src/main/java/net/momirealms/customcrops/api/core/mechanic/crop/CropConfigImpl.java
@@ -29,7 +29,7 @@ import java.util.*;
 public class CropConfigImpl implements CropConfig {
 
     private final String id;
-    private final String seed;
+    private final List<String> seed;
     private final int maxPoints;
     private final Action<Player>[] wrongPotActions;
     private final Action<Player>[] interactActions;
@@ -55,7 +55,7 @@ public class CropConfigImpl implements CropConfig {
 
     public CropConfigImpl(
             String id,
-            String seed,
+            List<String> seed,
             int maxPoints,
             Action<Player>[] wrongPotActions,
             Action<Player>[] interactActions,
@@ -125,7 +125,12 @@ public class CropConfigImpl implements CropConfig {
 
     @Override
     public String seed() {
-        return seed;
+        return this.seed.get(0);
+    }
+
+    @Override
+    public List<String> seeds() {
+        return this.seed;
     }
 
     @Override
@@ -246,7 +251,7 @@ public class CropConfigImpl implements CropConfig {
 
     public static class BuilderImpl implements Builder {
         private String id;
-        private String seed;
+        private List<String> seed;
         private ExistenceForm existenceForm;
         private int maxPoints;
         private Action<Player>[] wrongPotActions;
@@ -279,7 +284,7 @@ public class CropConfigImpl implements CropConfig {
         }
 
         @Override
-        public Builder seed(String seed) {
+        public Builder seed(List<String> seed) {
             this.seed = seed;
             return this;
         }
diff --git a/api/src/main/java/net/momirealms/customcrops/api/core/world/ExplosionIndicator.java b/api/src/main/java/net/momirealms/customcrops/api/core/world/ExplosionIndicator.java
new file mode 100644
index 0000000..b74a86f
--- /dev/null
+++ b/api/src/main/java/net/momirealms/customcrops/api/core/world/ExplosionIndicator.java
@@ -0,0 +1,15 @@
+package net.momirealms.customcrops.api.core.world;
+
+import org.bukkit.event.entity.EntityExplodeEvent;
+
+public interface ExplosionIndicator {
+
+    boolean canDestroyBlocks(EntityExplodeEvent event);
+
+    class AlwaysTrue implements ExplosionIndicator {
+        @Override
+        public boolean canDestroyBlocks(EntityExplodeEvent event) {
+            return true;
+        }
+    }
+}
diff --git a/api/src/main/java/net/momirealms/customcrops/common/helper/VersionHelper.java b/api/src/main/java/net/momirealms/customcrops/common/helper/VersionHelper.java
index bcdc330..c9bf673 100644
--- a/api/src/main/java/net/momirealms/customcrops/common/helper/VersionHelper.java
+++ b/api/src/main/java/net/momirealms/customcrops/common/helper/VersionHelper.java
@@ -87,27 +87,31 @@ public class VersionHelper {
     }
 
     public static boolean isVersionNewerThan1_18() {
-        return version >= 18;
+        return version >= 18f;
     }
 
     public static boolean isVersionNewerThan1_19() {
-        return version >= 19;
+        return version >= 19f;
     }
 
     public static boolean isVersionNewerThan1_19_4() {
-        return version >= 19.39;
+        return version >= 19.39f;
     }
 
     public static boolean isVersionNewerThan1_20() {
-        return version >= 20;
+        return version >= 20f;
     }
 
     public static boolean isVersionNewerThan1_21_4() {
-        return version >= 21.39;
+        return version >= 21.39f;
     }
 
     public static boolean isVersionNewerThan1_21_2() {
-        return version >= 19;
+        return version >= 21.19f;
+    }
+
+    public static boolean isVersionNewerThan1_21() {
+        return version >= 21f;
     }
 
     public static boolean isFolia() {
diff --git a/gradle.properties b/gradle.properties
index 90b6c2a..71262e0 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -1,6 +1,6 @@
 # Project settings
 # Rule: [major update].[feature update].[bug fix]
-project_version=3.6.38
+project_version=3.6.39
 config_version=42
 project_group=net.momirealms
 
diff --git a/plugin/build.gradle.kts b/plugin/build.gradle.kts
index b75a8da..595f171 100644
--- a/plugin/build.gradle.kts
+++ b/plugin/build.gradle.kts
@@ -49,6 +49,7 @@ tasks {
         from(zipTree(project(":compatibility-itemsadder-r2").tasks.jar.get().archiveFile))
         from(zipTree(project(":compatibility-crucible-r1").tasks.jar.get().archiveFile))
         from(zipTree(project(":compatibility-craftengine-r1").tasks.jar.get().archiveFile))
+        from(zipTree(project(":plugin:j21").tasks.jar.get().archiveFile))
         archiveFileName = "CustomCrops-${rootProject.properties["project_version"]}.jar"
         destinationDirectory.set(file("$rootDir/target"))
         relocate("net.kyori", "net.momirealms.customcrops.libraries")
diff --git a/plugin/j21/build.gradle.kts b/plugin/j21/build.gradle.kts
new file mode 100644
index 0000000..00c2166
--- /dev/null
+++ b/plugin/j21/build.gradle.kts
@@ -0,0 +1,23 @@
+repositories {
+    mavenCentral()
+    maven("https://repo.papermc.io/repository/maven-public/")
+}
+
+dependencies {
+    compileOnly(project(":api"))
+    compileOnly("io.papermc.paper:paper-api:1.21.4-R0.1-SNAPSHOT")
+}
+
+java {
+    sourceCompatibility = JavaVersion.VERSION_21
+    targetCompatibility = JavaVersion.VERSION_21
+    toolchain {
+        languageVersion = JavaLanguageVersion.of(21)
+    }
+}
+
+tasks.withType<JavaCompile> {
+    options.encoding = "UTF-8"
+    options.release.set(21)
+    dependsOn(tasks.clean)
+}
\ No newline at end of file
diff --git a/plugin/j21/src/main/java/net/momirealms/customcrops/bukkit/j21/ModernExplosionIndicator.java b/plugin/j21/src/main/java/net/momirealms/customcrops/bukkit/j21/ModernExplosionIndicator.java
new file mode 100644
index 0000000..1cbf6d2
--- /dev/null
+++ b/plugin/j21/src/main/java/net/momirealms/customcrops/bukkit/j21/ModernExplosionIndicator.java
@@ -0,0 +1,16 @@
+package net.momirealms.customcrops.bukkit.j21;
+
+import net.momirealms.customcrops.api.core.world.ExplosionIndicator;
+import org.bukkit.ExplosionResult;
+import org.bukkit.event.entity.EntityExplodeEvent;
+
+public class ModernExplosionIndicator implements ExplosionIndicator {
+
+    public ModernExplosionIndicator() {
+    }
+
+    @Override
+    public boolean canDestroyBlocks(EntityExplodeEvent event) {
+        return event.getExplosionResult() == ExplosionResult.DESTROY || event.getExplosionResult() == ExplosionResult.DESTROY_WITH_DECAY;
+    }
+}
diff --git a/plugin/src/main/java/net/momirealms/customcrops/bukkit/config/BukkitConfigManager.java b/plugin/src/main/java/net/momirealms/customcrops/bukkit/config/BukkitConfigManager.java
index 95804d0..f219b87 100644
--- a/plugin/src/main/java/net/momirealms/customcrops/bukkit/config/BukkitConfigManager.java
+++ b/plugin/src/main/java/net/momirealms/customcrops/bukkit/config/BukkitConfigManager.java
@@ -294,8 +294,10 @@ public class BukkitConfigManager extends ConfigManager {
     @Override
     public void registerCropConfig(CropConfig config) {
         Registries.CROP.register(config.id(), config);
-        Registries.SEED_TO_CROP.register(config.seed(), config);
-        Registries.ITEMS.register(config.seed(), BuiltInItemMechanics.SEED.mechanic());
+        for (String seed : config.seeds()) {
+            Registries.SEED_TO_CROP.register(seed, config);
+            Registries.ITEMS.register(seed, BuiltInItemMechanics.SEED.mechanic());
+        }
         for (DeathCondition condition : config.deathConditions()) {
             String deadStage = condition.deathStage();
             if (deadStage != null) {
diff --git a/plugin/src/main/java/net/momirealms/customcrops/bukkit/config/ConfigType.java b/plugin/src/main/java/net/momirealms/customcrops/bukkit/config/ConfigType.java
index 35ab1db..04fe107 100644
--- a/plugin/src/main/java/net/momirealms/customcrops/bukkit/config/ConfigType.java
+++ b/plugin/src/main/java/net/momirealms/customcrops/bukkit/config/ConfigType.java
@@ -41,10 +41,7 @@ import net.momirealms.customcrops.common.util.Pair;
 import net.momirealms.customcrops.common.util.TriFunction;
 import org.bukkit.entity.Player;
 
-import java.util.ArrayList;
-import java.util.HashSet;
-import java.util.Locale;
-import java.util.Map;
+import java.util.*;
 
 /**
  * Configuration types for various mechanics.
@@ -206,7 +203,7 @@ public class ConfigType {
 
                 CropConfig config = CropConfig.builder()
                         .id(id)
-                        .seed(section.getString("seed"))
+                        .seed(getAsStringList(section.get("seed")))
                         .rotation(section.getBoolean("random-rotation", false))
                         .maxPoints(section.getInt("max-points", 1))
                         .ignoreRandomTick(section.getBoolean("ignore-random-tick", false))
@@ -336,4 +333,20 @@ public class ConfigType {
     public boolean parse(ConfigManager manager, String id, Section section) {
         return argumentConsumer.apply(manager, id, section);
     }
+
+    private static List<String> getAsStringList(Object o) {
+        List<String> list = new ArrayList<>();
+        if (o instanceof List<?>) {
+            for (Object object : (List<?>) o) {
+                list.add(object.toString());
+            }
+        } else if (o instanceof String) {
+            list.add((String) o);
+        } else {
+            if (o != null) {
+                list.add(o.toString());
+            }
+        }
+        return list;
+    }
 }
diff --git a/plugin/src/main/java/net/momirealms/customcrops/bukkit/item/BukkitItemManager.java b/plugin/src/main/java/net/momirealms/customcrops/bukkit/item/BukkitItemManager.java
index b658090..925d471 100644
--- a/plugin/src/main/java/net/momirealms/customcrops/bukkit/item/BukkitItemManager.java
+++ b/plugin/src/main/java/net/momirealms/customcrops/bukkit/item/BukkitItemManager.java
@@ -64,7 +64,6 @@ import java.util.*;
 import static java.util.Objects.requireNonNull;
 
 public class BukkitItemManager extends AbstractItemManager {
-
     private final BukkitCustomCropsPlugin plugin;
     private CustomItemProvider provider;
     private AbstractCustomEventListener eventListener;
diff --git a/settings.gradle.kts b/settings.gradle.kts
index fcbbcd5..0f77460 100644
--- a/settings.gradle.kts
+++ b/settings.gradle.kts
@@ -1,6 +1,7 @@
 rootProject.name = "CustomCrops"
 include(":api")
 include(":plugin")
+include(":plugin:j21")
 include(":compatibility")
 include(":compatibility-asp-r1")
 //include(":compatibility-asp-r2")
@@ -10,4 +11,4 @@ include(":compatibility-nexo-r1")
 include(":compatibility-itemsadder-r1")
 include(":compatibility-itemsadder-r2")
 include(":compatibility-crucible-r1")
-include(":compatibility-craftengine-r1")
+include(":compatibility-craftengine-r1")
\ No newline at end of file