diff --git a/src/data/plants.js b/src/data/plants.js
index 622c175..a894afa 100644
--- a/src/data/plants.js
+++ b/src/data/plants.js
@@ -116,7 +116,13 @@ const daylilies = [
   }).add(geo.offset(lotCorner), geo.east(geo.ft(142)), geo.south(geo.ft(38))),
   new Daylily("Extra daylily", {
     gardenOrgId: "",
-  }).add(geo.offset(lotCorner), geo.east(geo.ft(1)), geo.south(geo.ft(4))),
+  }).add(geo.offset(lotCorner), geo.east(geo.ft(0.8)), geo.south(geo.ft(3.2))),
+  new Daylily("Extra daylily", {
+    gardenOrgId: "",
+  }).add(geo.offset(lotCorner), geo.east(geo.ft(0.8)), geo.south(geo.ft(3.9))),
+  new Daylily("Extra daylily", {
+    gardenOrgId: "",
+  }).add(geo.offset(lotCorner), geo.east(geo.ft(1.3)), geo.south(geo.ft(3.6))),
   new Daylily("Extra daylily", {
     gardenOrgId: "",
   }).add(geo.offset(lotCorner), geo.east(geo.ft(1)), geo.south(geo.ft(9))),
@@ -172,7 +178,7 @@ const flowers = [
   new Flower("Tiny Tortuga Turtlehead", {
     gardenOrgId: "697986",
     plantedDate: "2021-09-21",
-  }).add(geo.offset(lotCorner), geo.east(geo.ft(3)), geo.south(geo.ft(8))),
+  }).add(geo.offset(lotCorner), geo.east(geo.ft(2.2)), geo.south(geo.ft(8.2))),
   new Flower("Tiny Tortuga Turtlehead", {
     gardenOrgId: "697986",
     plantedDate: "2021-09-21",
@@ -193,23 +199,19 @@ const houseplants = [
 
 const cutDownTrees = [
   new Tree("Maybe elm", {
-    canopyDiameterMeters: 15,
-    heightMeters: 15,
+    measurements: [{ canopyDiameter: geo.ft(49.21), height: geo.ft(49.21) }],
     removedDate: "2021-05-05",
   }).add(geo.offset(lotCorner), geo.east(geo.ft(65)), geo.south(geo.ft(-2))),
   new Tree("Big pine tree", {
-    canopyDiameterMeters: 8,
-    heightMeters: 15,
+    measurements: [{ canopyDiameter: geo.ft(26.25), height: geo.ft(49.21) }],
     removedDate: "2021-05-06",
   }).add(geo.offset(lotCorner), geo.east(geo.ft(98)), geo.south(geo.ft(-15))),
   new Tree("Walnut by house", {
-    canopyDiameterMeters: 6,
-    heightMeters: 7,
+    measurements: [{ canopyDiameter: geo.ft(19.69), height: geo.ft(22.97) }],
     removedDate: "2021-05-01",
   }).add(geo.offset(lotCorner), geo.east(geo.ft(32)), geo.south(geo.ft(40))),
   new Tree("Walnut by shed", {
-    canopyDiameterMeters: 7,
-    heightMeters: 7,
+    measurements: [{ canopyDiameter: geo.ft(22.97), height: geo.ft(22.97) }],
     removedDate: "2021-05-01",
   }).add(geo.offset(lotCorner), geo.east(geo.ft(100)), geo.south(geo.ft(40))),
 ];
@@ -217,134 +219,121 @@ const cutDownTrees = [
 const trees = [
   new Tree("Northern Empress Japanese Elm", {
     species: "Northern Empress Japanese Elm",
-    canopyDiameterMeters: 6,
-    heightMeters: 7,
+    measurements: [{ canopyDiameter: geo.ft(19.69), height: geo.ft(22.97) }],
     plantedDate: "2021-09-21",
     pricePaid: 312,
   }).add(geo.offset(lotCorner), geo.east(geo.ft(9)), geo.south(geo.ft(16))),
   new Tree("Hot Wings Maple", {
     species: "Hot Wings Maple",
-    canopyDiameterMeters: 5,
-    heightMeters: 5,
+    measurements: [{ canopyDiameter: geo.ft(16.4), height: geo.ft(16.4) }],
     gardenOrgId: "536120",
     plantedDate: "2021-09-21",
     pricePaid: 186,
   }).add(geo.offset(lotCorner), geo.east(geo.ft(60)), geo.south(geo.ft(40))),
   new Tree("Prairie Expedition American Elm", {
     species: "Prairie Expedition American Elm",
-    canopyDiameterMeters: 5,
-    heightMeters: 5,
+    measurements: [{ canopyDiameter: geo.ft(16.4), height: geo.ft(16.4) }],
     gardenOrgId: "736267",
     plantedDate: "2021-09-21",
     pricePaid: 280,
   }).add(geo.offset(lotCorner), geo.east(geo.ft(95)), geo.south(geo.ft(15))),
+
   new Tree("Dwarf Korean Lilac", {
     species: "Dwarf Korean Lilac",
-    canopyDiameterMeters: 1.75,
-    heightMeters: 2.5,
+    measurements: [
+      { measuredDate: "2026-07-08", canopyDiameter: geo.ft(5.5), height: geo.ft(6.7) },
+    ],
     gardenOrgId: "79137",
     plantedDate: "2021-09-21",
     pricePaid: 218,
-  }).add(geo.offset(lotCorner), geo.east(geo.ft(3)), geo.south(geo.ft(3))),
+  }).add(geo.offset(lotCorner), geo.east(geo.ft(3.5)), geo.south(geo.ft(4.8))),
+
   new Tree("Dwarf Korean Lilac", {
     species: "Dwarf Korean Lilac",
-    canopyDiameterMeters: 1.75,
-    heightMeters: 2.5,
+    measurements: [{ canopyDiameter: geo.ft(5.74), height: geo.ft(8.2) }],
     gardenOrgId: "79137",
     plantedDate: "2021-09-21",
     pricePaid: 218,
-  }).add(geo.offset(lotCorner), geo.east(geo.ft(3)), geo.south(geo.ft(20))),
+  }).add(geo.offset(lotCorner), geo.east(geo.ft(3.7)), geo.south(geo.ft(21.4))),
+
   new Tree("Dwarf Korean Lilac", {
     species: "Dwarf Korean Lilac",
-    canopyDiameterMeters: 1.75,
-    heightMeters: 2.5,
+    measurements: [{ canopyDiameter: geo.ft(5.74), height: geo.ft(8.2) }],
     gardenOrgId: "79137",
     plantedDate: "2021-09-21",
     pricePaid: 218,
-  }).add(geo.offset(lotCorner), geo.east(geo.ft(3)), geo.south(geo.ft(37))),
+  }).add(geo.offset(lotCorner), geo.east(geo.ft(3.8)), geo.south(geo.ft(33.1))),
+
   new Tree("Boulevard Linden", {
     species: "Boulevard Linden",
-    canopyDiameterMeters: 3,
-    heightMeters: 6,
+    measurements: [{ canopyDiameter: geo.ft(9.84), height: geo.ft(19.69) }],
     plantedDate: "2021-09-21",
     pricePaid: 327,
   }).add(geo.lngLat(-100.8990003556445, 46.826776648309774)),
   new Tree("Boulevard Linden 2", {
     species: "Boulevard Linden",
-    canopyDiameterMeters: 3,
-    heightMeters: 6,
+    measurements: [{ canopyDiameter: geo.ft(9.84), height: geo.ft(19.69) }],
     plantedDate: "2021-09-21",
     pricePaid: 327,
   }).add(geo.lngLat(-100.89898269567485, 46.826709328342595)),
   new Tree("Evergreen", {
     species: "Evergreen",
-    canopyDiameterMeters: 8,
-    heightMeters: 15,
+    measurements: [{ canopyDiameter: geo.ft(26.25), height: geo.ft(49.21) }],
   }).add(geo.lngLat(-100.89888268258135, 46.826680107011924)),
 ];
 
 const bushes = [
   new Tree("Medora Juniper 1", {
     species: "Medora Juniper",
-    canopyDiameterMeters: 1.5,
-    heightMeters: 2.5,
+    measurements: [{ canopyDiameter: geo.ft(4.92), height: geo.ft(8.2) }],
     plantedDate: "2021-09-21",
     pricePaid: 96.50,
   }).inGroup(juniperTreesGroup).add(geo.lngLat(-100.89880933964611, 46.826705259550664)),
   new Tree("Medora Juniper 2", {
     species: "Medora Juniper",
-    canopyDiameterMeters: 1.5,
-    heightMeters: 2.5,
+    measurements: [{ canopyDiameter: geo.ft(4.92), height: geo.ft(8.2) }],
     plantedDate: "2021-09-21",
     pricePaid: 96.50,
   }).inGroup(juniperTreesGroup).add(geo.lngLat(-100.89877004677517, 46.82670396593881)),
   new Tree("Medora Juniper 3", {
     species: "Medora Juniper",
-    canopyDiameterMeters: 1.5,
-    heightMeters: 2.5,
+    measurements: [{ canopyDiameter: geo.ft(4.92), height: geo.ft(8.2) }],
     plantedDate: "2021-09-21",
     pricePaid: 96.50,
   }).inGroup(juniperTreesGroup).add(geo.lngLat(-100.898799106227, 46.82669830398086)),
   new Tree("Medora Juniper 4", {
     species: "Medora Juniper",
-    canopyDiameterMeters: 1.5,
-    heightMeters: 2.5,
+    measurements: [{ canopyDiameter: geo.ft(4.92), height: geo.ft(8.2) }],
     plantedDate: "2021-09-21",
     pricePaid: 96.50,
   }).inGroup(juniperTreesGroup).add(geo.lngLat(-100.89878871410515, 46.82669251034885)),
   new Tree("Medora Juniper 5", {
     species: "Medora Juniper",
-    canopyDiameterMeters: 1.5,
-    heightMeters: 2.5,
+    measurements: [{ canopyDiameter: geo.ft(4.92), height: geo.ft(8.2) }],
     plantedDate: "2021-09-21",
     pricePaid: 96.50,
   }).inGroup(juniperTreesGroup).add(geo.lngLat(-100.8987812086838, 46.82671120797719)),
   new Tree("Black Currant", {
     species: "Black Currant",
-    canopyDiameterMeters: 2,
-    heightMeters: 2,
+    measurements: [{ canopyDiameter: geo.ft(6.56), height: geo.ft(6.56) }],
     gardenOrgId: "87767",
   }).add(geo.offset(lotCorner), geo.east(geo.ft(107)), geo.south(geo.ft(3))),
   new Tree("Elderberry", {
     species: "Elderberry",
-    canopyDiameterMeters: 3,
-    heightMeters: 3,
+    measurements: [{ canopyDiameter: geo.ft(9.84), height: geo.ft(9.84) }],
     gardenOrgId: "78882",
   }).add(geo.offset(lotCorner), geo.east(geo.ft(142)), geo.south(geo.ft(52))),
   new Tree("Spirea", {
     species: "Spirea",
-    canopyDiameterMeters: 1.5,
-    heightMeters: 1,
+    measurements: [{ canopyDiameter: geo.ft(4.92), height: geo.ft(3.28) }],
   }).add(geo.offset(lotCorner), geo.east(geo.ft(70)), geo.south(geo.ft(31))),
   new Tree("Spirea", {
     species: "Spirea",
-    canopyDiameterMeters: 1.5,
-    heightMeters: 1,
+    measurements: [{ canopyDiameter: geo.ft(4.92), height: geo.ft(3.28) }],
   }).add(geo.offset(lotCorner), geo.east(geo.ft(74)), geo.south(geo.ft(31))),
   new Tree("Spirea", {
     species: "Spirea",
-    canopyDiameterMeters: 1.5,
-    heightMeters: 1,
+    measurements: [{ canopyDiameter: geo.ft(4.92), height: geo.ft(3.28) }],
   }).add(geo.offset(lotCorner), geo.east(geo.ft(78)), geo.south(geo.ft(31))),
 ];
 
diff --git a/src/lib/feature-types.js b/src/lib/feature-types.js
index 516dd29..91b145b 100644
--- a/src/lib/feature-types.js
+++ b/src/lib/feature-types.js
@@ -128,6 +128,9 @@ export const featureTypes = {
       species: "string",
       cultivar: "string",
       gardenOrgId: "string",
+      measurements: "plantMeasurement[]",
+      canopyDiameter: "number",
+      height: "number",
       note: "string",
     },
     externalLinks: [
@@ -158,6 +161,9 @@ export const featureTypes = {
       cultivar: "string",
       bloomColor: "string",
       bloomSeason: "string",
+      measurements: "plantMeasurement[]",
+      canopyDiameter: "number",
+      height: "number",
       note: "string",
     },
     style: {
@@ -179,6 +185,9 @@ export const featureTypes = {
       cultivar: "string",
       bloomColor: "string",
       bloomSeason: "string",
+      measurements: "plantMeasurement[]",
+      canopyDiameter: "number",
+      height: "number",
       note: "string",
     },
     style: {
@@ -200,14 +209,15 @@ export const featureTypes = {
       genus: "string",
       species: "string",
       cultivar: "string",
-      canopyDiameterMeters: "number",
-      heightMeters: "number",
+      measurements: "plantMeasurement[]",
+      canopyDiameter: "number",
+      height: "number",
       note: "string",
     },
     style: (details) => ({
       color: "#426a3d",
       weight: 1,
-      radiusMeters: (details.canopyDiameterMeters ?? 1) / 2,
+      radiusMeters: (details.canopyDiameter ?? 1) / 2,
       fillColor: "#7e9d58",
       fillOpacity: 0.62,
     }),
@@ -221,14 +231,15 @@ export const featureTypes = {
       genus: "string",
       species: "string",
       cultivar: "string",
-      canopyDiameterMeters: "number",
-      heightMeters: "number",
+      measurements: "plantMeasurement[]",
+      canopyDiameter: "number",
+      height: "number",
       note: "string",
     },
     style: (details) => ({
       color: "#2f6b3d",
       weight: 1,
-      radiusMeters: (details.canopyDiameterMeters ?? 2) / 2,
+      radiusMeters: (details.canopyDiameter ?? 2) / 2,
       fillColor: "#5c9e64",
       fillOpacity: 0.55,
     }),
diff --git a/src/lib/yard-features.js b/src/lib/yard-features.js
index 17880fd..f113c66 100644
--- a/src/lib/yard-features.js
+++ b/src/lib/yard-features.js
@@ -1,7 +1,7 @@
 import { collectGeoJSON, offset, pointsFromLngLat } from "./geometry.js";
 import { getFeatureType, listFeatureTypeSchemas } from "./feature-types.js";
 
-export const YARD_SCHEMA_VERSION = 2;
+export const YARD_SCHEMA_VERSION = 3;
 
 class YardFeature {
   constructor(kind, geometryType, name, details = {}) {
@@ -286,7 +286,7 @@ export class FlowerBed extends PolygonFeature {
 
 export class Plant extends PointFeature {
   constructor(name = "Plant", details = {}, kind = "plant") {
-    super(kind, name, details);
+    super(kind, name, normalizePlantDetails(details));
   }
 }
 
@@ -324,6 +324,65 @@ export class Tree extends Plant {
   }
 }
 
+function normalizePlantDetails(details) {
+  const {
+    canopyDiameter,
+    height,
+    measurements = [],
+    ...restDetails
+  } = details;
+  const normalizedMeasurements = normalizePlantMeasurements(measurements);
+
+  if (!normalizedMeasurements.length && hasPlantSizeMeasurement(details)) {
+    normalizedMeasurements.push(
+      normalizePlantMeasurement({
+        canopyDiameter,
+        height,
+      }),
+    );
+  }
+
+  const latestMeasurement = normalizedMeasurements.at(-1);
+
+  return {
+    ...restDetails,
+    ...(normalizedMeasurements.length ? { measurements: normalizedMeasurements } : {}),
+    ...(latestMeasurement?.canopyDiameter !== undefined
+      ? { canopyDiameter: latestMeasurement.canopyDiameter }
+      : {}),
+    ...(latestMeasurement?.height !== undefined
+      ? { height: latestMeasurement.height }
+      : {}),
+  };
+}
+
+function normalizePlantMeasurements(measurements) {
+  if (!Array.isArray(measurements)) {
+    throw new Error("Plant measurements must be an array");
+  }
+
+  return measurements.map(normalizePlantMeasurement);
+}
+
+function normalizePlantMeasurement(measurement) {
+  if (!measurement || typeof measurement !== "object") {
+    throw new Error("Plant measurement entries must be objects");
+  }
+
+  const { canopyDiameter, height, measuredDate, ...restMeasurement } = measurement;
+
+  return {
+    ...restMeasurement,
+    ...(measuredDate ? { measuredDate } : {}),
+    ...(canopyDiameter !== undefined ? { canopyDiameter } : {}),
+    ...(height !== undefined ? { height } : {}),
+  };
+}
+
+function hasPlantSizeMeasurement(details) {
+  return details.canopyDiameter !== undefined || details.height !== undefined;
+}
+
 export class Sprinkler extends PointFeature {
   constructor(name = "Sprinkler", details = {}) {
     super("sprinkler", name, details);
@@ -337,6 +396,11 @@ export function collectYardData(features, groups = []) {
     plantedDate: "date",
     removedDate: "date",
   };
+  collection.measurementFields = {
+    measuredDate: "date",
+    canopyDiameter: "number",
+    height: "number",
+  };
   collection.featureTypes = listFeatureTypeSchemas();
   collection.groups = groups.map((group) => ({
     id: group.id,
diff --git a/src/main.js b/src/main.js
index adc62d6..9abd1e6 100644
--- a/src/main.js
+++ b/src/main.js
@@ -305,7 +305,7 @@ function extendBounds(bounds, coordinates) {
 function buildPopupContent(properties) {
   const { kind, label, name, plantedDate, removedDate, details, parentId, groupIds } = properties;
   const entries = Object.entries(details ?? {}).filter(
-    ([key, value]) => value !== null && value !== undefined && shouldShowDetailField(key),
+    ([key, value]) => value !== null && value !== undefined && shouldShowDetailField(key, details),
   );
   const lifecycleEntries = [];
   const relationshipEntries = [];
@@ -344,14 +344,23 @@ function buildPopupContent(properties) {
   return `${title}${subtitle}<div>${detailRows}${linkRows}</div>`;
 }
 
-function shouldShowDetailField(key) {
+function shouldShowDetailField(key, details = {}) {
+  if (
+    Array.isArray(details.measurements) &&
+    (key === "canopyDiameter" || key === "height")
+  ) {
+    return false;
+  }
+
   return !key.endsWith("Url") && key !== "gardenOrgId";
 }
 
 function formatDetailLabel(key) {
   const labels = {
-    canopyDiameterMeters: "Canopy diameter",
-    heightMeters: "Height",
+    canopyDiameter: "Canopy diameter",
+    height: "Height",
+    measurements: "Measurements",
+    measuredDate: "Measured",
     plantedDate: "Planted",
     removedDate: "Removed",
     commonName: "Common name",
@@ -373,7 +382,11 @@ function formatDetailLabel(key) {
 }
 
 function formatDetailValue(key, value) {
-  if (key === "canopyDiameterMeters" || key === "heightMeters") {
+  if (key === "measurements") {
+    return formatPlantMeasurements(value);
+  }
+
+  if (key === "canopyDiameter" || key === "height") {
     return `${value} m`;
   }
 
@@ -384,6 +397,34 @@ function formatDetailValue(key, value) {
   return String(value);
 }
 
+function formatPlantMeasurements(measurements) {
+  if (!Array.isArray(measurements)) {
+    return String(measurements);
+  }
+
+  return measurements.map(formatPlantMeasurement).join("; ");
+}
+
+function formatPlantMeasurement(measurement) {
+  const parts = [];
+
+  if (measurement.measuredDate) {
+    parts.push(formatDetailValue("measuredDate", measurement.measuredDate));
+  }
+
+  if (measurement.canopyDiameter !== undefined) {
+    parts.push(
+      `canopy ${formatDetailValue("canopyDiameter", measurement.canopyDiameter)}`,
+    );
+  }
+
+  if (measurement.height !== undefined) {
+    parts.push(`height ${formatDetailValue("height", measurement.height)}`);
+  }
+
+  return parts.join(", ");
+}
+
 function escapeHtml(value) {
   return String(value)
     .replaceAll("&", "&amp;")