diff --git a/apps/app_seeds/lib/ui/variety_detail_screen.dart b/apps/app_seeds/lib/ui/variety_detail_screen.dart
index 8dd01cb..2442092 100644
--- a/apps/app_seeds/lib/ui/variety_detail_screen.dart
+++ b/apps/app_seeds/lib/ui/variety_detail_screen.dart
@@ -1,3 +1,4 @@
+import 'dart:async';
 import 'dart:typed_data';
 
 import 'package:drift/drift.dart' show Value;
@@ -619,8 +620,20 @@ class _EditVarietySheetState extends State<_EditVarietySheet> {
   late int? _seedHarvestMonths = widget.detail.seedHarvestMonths;
   late bool _calendarOpen = widget.detail.hasCropCalendar;
 
+  // Typing stays responsive by not touching the DB on every keystroke: each
+  // field waits until the grower pauses before running its (heavy) lookup, and
+  // a per-field query counter drops any result that a later keystroke has
+  // already superseded, so stale suggestions never flicker back in.
+  static const _debounce = Duration(milliseconds: 250);
+  Timer? _speciesDebounce;
+  Timer? _nameDebounce;
+  int _speciesQueryId = 0;
+  int _nameQueryId = 0;
+
   @override
   void dispose() {
+    _speciesDebounce?.cancel();
+    _nameDebounce?.cancel();
     _name.dispose();
     _category.dispose();
     _notes.dispose();
@@ -628,21 +641,38 @@ class _EditVarietySheetState extends State<_EditVarietySheet> {
     super.dispose();
   }
 
-  Future<void> _onSpeciesQuery(String query) async {
+  void _onSpeciesQuery(String query) {
+    _speciesDebounce?.cancel();
+    _speciesDebounce = Timer(_debounce, () => _runSpeciesQuery(query));
+  }
+
+  Future<void> _runSpeciesQuery(String query) async {
+    final queryId = ++_speciesQueryId;
     final lang = Localizations.localeOf(context).languageCode;
     final results = await widget.species.search(query, languageCode: lang);
     // A manual species search takes over from the name-based suggestion.
-    if (mounted) setState(() => _suggestions = results);
+    if (mounted && queryId == _speciesQueryId) {
+      setState(() => _suggestions = results);
+    }
+  }
+
+  void _onNameChanged(String name) {
+    if (widget.detail.speciesId != null || _pickedSpeciesId != null) return;
+    _nameDebounce?.cancel();
+    _nameDebounce = Timer(_debounce, () => _runNameClassify(name));
   }
 
   /// As the name is typed, offer the species it names — but only when the
   /// variety has no species yet and the grower hasn't picked one, so an
   /// existing link is never second-guessed.
-  Future<void> _onNameChanged(String name) async {
+  Future<void> _runNameClassify(String name) async {
     if (widget.detail.speciesId != null || _pickedSpeciesId != null) return;
+    final queryId = ++_nameQueryId;
     final lang = Localizations.localeOf(context).languageCode;
     final match = await widget.species.classifyLabel(name, languageCode: lang);
-    if (mounted) setState(() => _suggested = match);
+    if (mounted && queryId == _nameQueryId) {
+      setState(() => _suggested = match);
+    }
   }
 
   void _pick(SpeciesMatch match) {