{"product_id":"annual-periwinkle-seeds-for-sale","title":"Annual Periwinkle Seeds for Sale","description":"\u003cstyle\u003e\n\/* =========================================\n   SEED ORGANICA - REUSABLE PRODUCT DESIGN\n========================================= *\/\n\n.eg-product {\n  --eg-green: #08764f;\n  --eg-dark: #07583e;\n  --eg-text: #46574e;\n  --eg-muted: #64736a;\n  --eg-border: #d9e7de;\n  --eg-soft: #f3f8f4;\n  --eg-white: #ffffff;\n\n  width: 100%;\n  max-width: 1200px;\n  min-width: 0;\n  margin: 0 auto;\n  padding: 22px 14px;\n  color: var(--eg-text);\n  font-family: Arial, Helvetica, sans-serif;\n  font-size: 15px;\n  line-height: 1.8;\n  box-sizing: border-box;\n  overflow-wrap: anywhere;\n}\n\n.eg-product *,\n.eg-product *::before,\n.eg-product *::after {\n  box-sizing: border-box;\n}\n\n.eg-product h1,\n.eg-product h2,\n.eg-product h3,\n.eg-product p {\n  margin-top: 0;\n}\n\n.eg-product h2 {\n  margin: 38px 0 20px;\n  color: var(--eg-dark);\n  font-size: 29px;\n  font-weight: 700;\n  line-height: 1.35;\n  letter-spacing: -0.4px;\n  text-align: center;\n}\n\n.eg-product h2::after {\n  content: \"\";\n  display: block;\n  width: 48px;\n  height: 3px;\n  margin: 12px auto 0;\n  border-radius: 4px;\n  background: #39a675;\n}\n\n\/* 1. PRODUCT INTRODUCTION *\/\n\n.eg-intro {\n  width: 100%;\n  min-width: 0;\n  margin-bottom: 32px;\n  padding: 36px 26px;\n  border: 1px solid var(--eg-border);\n  border-radius: 20px;\n  background: linear-gradient(135deg, #f7fbf7, #eaf5ed);\n  text-align: center;\n}\n\n.eg-intro h1 {\n  margin-bottom: 16px;\n  color: var(--eg-green);\n  font-size: 36px;\n  font-weight: 700;\n  line-height: 1.3;\n  letter-spacing: -0.6px;\n  overflow-wrap: anywhere;\n}\n\n.eg-intro p {\n  max-width: 850px;\n  margin: 0 auto 22px;\n  color: #35483d;\n  font-size: 15px;\n  font-weight: 500;\n  line-height: 1.9;\n}\n\n.eg-badges {\n  display: flex;\n  justify-content: center;\n  flex-wrap: wrap;\n  gap: 9px;\n}\n\n.eg-badge {\n  display: inline-block;\n  max-width: 100%;\n  padding: 7px 14px;\n  border: 1px solid #cfe1d5;\n  border-radius: 30px;\n  background: #ffffff;\n  color: var(--eg-dark);\n  font-size: 12px;\n  font-weight: 600;\n  line-height: 1.6;\n  overflow-wrap: anywhere;\n}\n\n\/* 2. KEY FEATURES *\/\n\n.eg-product .eg-feature-grid {\n  display: grid;\n  grid-template-columns: minmax(0, 1fr);\n  gap: 12px;\n  width: 100%;\n  max-width: 100%;\n  min-width: 0;\n  margin-bottom: 30px;\n}\n\n.eg-product .eg-feature {\n  display: grid;\n  grid-template-columns: minmax(0, 36%) minmax(0, 1fr);\n  align-items: start;\n  gap: 16px;\n  width: 100%;\n  min-width: 0;\n  padding: 18px;\n  border: 1px solid var(--eg-border);\n  border-radius: 14px;\n  background: var(--eg-white);\n  box-shadow: 0 2px 7px rgba(24, 75, 48, 0.035);\n  overflow-wrap: anywhere;\n}\n\n.eg-product .eg-feature h3 {\n  margin: 0;\n  color: var(--eg-green);\n  font-size: 16px;\n  font-weight: 700;\n  line-height: 1.5;\n  overflow-wrap: anywhere;\n  word-break: normal;\n}\n\n.eg-product .eg-feature p {\n  margin: 0;\n  color: #35483d;\n  font-size: 14px;\n  font-weight: 500;\n  line-height: 1.8;\n  overflow-wrap: anywhere;\n  word-break: normal;\n}\n\n\/* 3. PRODUCT HIGHLIGHTS *\/\n\n.eg-product .eg-highlights {\n  display: grid;\n  grid-template-columns: repeat(2, minmax(0, 1fr));\n  gap: 12px;\n  width: 100%;\n  max-width: 100%;\n  min-width: 0;\n  padding: 20px;\n  border: 1px solid #e5eee7;\n  border-radius: 18px;\n  background: var(--eg-soft);\n  overflow: hidden;\n}\n\n.eg-product .eg-highlight {\n  display: flex;\n  align-items: center;\n  width: 100%;\n  min-width: 0;\n  min-height: 66px;\n  margin: 0;\n  padding: 14px;\n  border: 1px solid var(--eg-border);\n  border-radius: 12px;\n  background: #fff;\n  color: #35483d;\n  font-size: 13px;\n  font-weight: 500;\n  line-height: 1.7;\n  overflow-wrap: anywhere;\n  word-break: normal;\n}\n\n\/* 4. SPECIFICATIONS TABLE *\/\n\n.eg-product .eg-spec-table {\n  width: 100%;\n  max-width: 100%;\n  border: 1px solid var(--eg-border);\n  border-radius: 14px;\n  border-spacing: 0;\n  border-collapse: separate;\n  table-layout: fixed;\n  overflow: hidden;\n  font-size: 13px;\n  color: #35483d;\n  font-weight: 500;\n}\n\n.eg-product .eg-spec-table td {\n  width: 50%;\n  padding: 13px 15px;\n  border-bottom: 1px solid var(--eg-border);\n  text-align: left;\n  vertical-align: top;\n  overflow-wrap: anywhere;\n  word-break: normal;\n}\n\n.eg-product .eg-spec-table tr:nth-child(odd) {\n  background: #fff;\n}\n\n.eg-product .eg-spec-table tr:nth-child(even) {\n  background: #f2f7f3;\n}\n\n.eg-product .eg-spec-table tr:last-child td {\n  border-bottom: none;\n}\n\n.eg-product .eg-spec-table td:first-child {\n  color: var(--eg-dark);\n  font-weight: 700;\n}\n\n\/* 5. GROWING GUIDE *\/\n\n.eg-guide {\n  width: 100%;\n  min-width: 0;\n  padding: 20px;\n  border: 1px solid #e5eee7;\n  border-radius: 18px;\n  background: var(--eg-soft);\n}\n\n.eg-guide-step {\n  display: block;\n  width: 100%;\n  min-width: 0;\n  margin-bottom: 12px;\n  padding: 16px 17px;\n  border: 1px solid var(--eg-border);\n  border-left: 4px solid #27966a;\n  border-radius: 11px;\n  background: #fff;\n  color: #35483d;\n  font-size: 14px;\n  font-weight: 500;\n  line-height: 1.85;\n  overflow-wrap: anywhere;\n}\n\n.eg-guide-step:last-child {\n  margin-bottom: 0;\n}\n\n.eg-guide-step strong {\n  color: var(--eg-dark);\n  font-weight: 700;\n}\n\n\/* 6. CLOSING BANNER *\/\n\n.eg-closing {\n  width: 100%;\n  margin-top: 38px;\n  padding: 36px 24px;\n  border: 1px solid #08764f;\n  border-radius: 18px;\n  background: linear-gradient(120deg, #07583e, #12865b);\n  color: #fff;\n  text-align: center;\n}\n\n.eg-closing h2 {\n  margin: 0 0 15px;\n  color: #fff;\n  font-size: 27px;\n  line-height: 1.4;\n  letter-spacing: -0.3px;\n}\n\n.eg-closing h2::after {\n  background: #a9e5c1;\n}\n\n.eg-closing p {\n  max-width: 800px;\n  margin: 0 auto;\n  color: #f4fff7;\n  font-size: 14px;\n  font-weight: 500;\n  line-height: 1.9;\n}\n\n\/* 7. FREQUENTLY ASKED QUESTIONS *\/\n\n.eg-faq {\n  width: 100%;\n  min-width: 0;\n  margin-top: 38px;\n}\n\n.eg-faq-intro {\n  max-width: 800px;\n  margin: 0 auto 23px;\n  color: var(--eg-muted);\n  font-size: 14px;\n  font-weight: 500;\n  text-align: center;\n}\n\n.eg-faq-item {\n  width: 100%;\n  min-width: 0;\n  margin-bottom: 11px;\n  border: 1px solid var(--eg-border);\n  border-radius: 12px;\n  background: #fff;\n  overflow: hidden;\n}\n\n.eg-faq-item summary {\n  display: flex;\n  align-items: center;\n  justify-content: space-between;\n  gap: 12px;\n  padding: 16px;\n  color: var(--eg-dark);\n  font-size: 14px;\n  font-weight: 700;\n  line-height: 1.7;\n  cursor: pointer;\n  list-style: none;\n  overflow-wrap: anywhere;\n}\n\n.eg-faq-item summary::-webkit-details-marker {\n  display: none;\n}\n\n.eg-faq-item summary::after {\n  content: \"+\";\n  display: flex;\n  flex: 0 0 27px;\n  width: 27px;\n  height: 27px;\n  align-items: center;\n  justify-content: center;\n  border-radius: 50%;\n  background: #eaf5ed;\n  color: var(--eg-green);\n  font-size: 20px;\n  line-height: 1;\n}\n\n.eg-faq-item[open] summary::after {\n  content: \"−\";\n}\n\n.eg-faq-answer {\n  padding: 0 16px 17px;\n  color: #35483d;\n  font-size: 14px;\n  font-weight: 500;\n  line-height: 1.85;\n  overflow-wrap: anywhere;\n}\n\n.eg-faq-answer p {\n  margin: 0;\n}\n\n\/* TABLET *\/\n\n@media (max-width: 900px) {\n  .eg-product {\n    padding: 18px 12px;\n  }\n\n  .eg-intro h1 {\n    font-size: 32px;\n  }\n\n  .eg-product h2 {\n    font-size: 27px;\n  }\n\n  .eg-product .eg-highlights {\n    padding: 15px;\n  }\n}\n\n\/* MOBILE *\/\n\n@media (max-width: 480px) {\n  .eg-product {\n    padding: 14px 8px;\n    font-size: 14px;\n  }\n\n  .eg-intro {\n    padding: 25px 14px;\n    border-radius: 15px;\n  }\n\n  .eg-intro h1 {\n    font-size: 27px;\n  }\n\n  .eg-intro p {\n    font-size: 14px;\n  }\n\n  .eg-product h2 {\n    margin: 29px 0 17px;\n    font-size: 23px;\n  }\n\n  .eg-product .eg-feature {\n    grid-template-columns: minmax(0, 1fr);\n    gap: 5px;\n    padding: 14px;\n  }\n\n  .eg-product .eg-feature h3 {\n    font-size: 15px;\n  }\n\n  .eg-product .eg-feature p {\n    font-size: 13px;\n    line-height: 1.75;\n  }\n\n  .eg-product .eg-highlights {\n    grid-template-columns: minmax(0, 1fr);\n    gap: 9px;\n    padding: 11px;\n  }\n\n  .eg-product .eg-highlight {\n    min-height: 0;\n    padding: 12px;\n  }\n\n  .eg-product .eg-spec-table {\n    font-size: 12px;\n  }\n\n  .eg-product .eg-spec-table td {\n    padding: 11px 8px;\n  }\n\n  .eg-guide {\n    padding: 11px;\n  }\n\n  .eg-guide-step {\n    padding: 13px;\n    font-size: 13px;\n  }\n\n  .eg-closing {\n    padding: 28px 15px;\n    border-radius: 15px;\n  }\n\n  .eg-closing h2 {\n    font-size: 22px;\n  }\n\n  .eg-faq-item summary {\n    padding: 13px;\n    font-size: 13px;\n  }\n\n  .eg-faq-answer {\n    padding: 0 13px 14px;\n    font-size: 13px;\n  }\n}\n\u003c\/style\u003e\n\n\u003cdiv class=\"eg-product\"\u003e\n  \u003c!-- 1. PRODUCT INTRODUCTION --\u003e\n\u003csection class=\"eg-intro\"\u003e\n  \u003ch1\u003eAnnual Periwinkle Seeds\u003c\/h1\u003e\n  \u003cp\u003e\n    Annual Periwinkle, commonly known as Madagascar periwinkle, is a flowering plant valued for its colorful blooms, glossy green foliage, and ability to thrive in warm conditions. Its flowers may appear in shades of pink, white, red, and purple, depending on the variety. This popular ornamental plant is suitable for flower beds, garden borders, containers, and landscape displays. With adequate sunlight, well-drained soil, and regular watering, Annual Periwinkle can provide long-lasting floral color throughout the warm growing season.\n  \u003c\/p\u003e\n  \u003cdiv class=\"eg-badges\"\u003e\n    \u003cspan class=\"eg-badge\"\u003eColorful Flowers\u003c\/span\u003e\n    \u003cspan class=\"eg-badge\"\u003eHeat-Tolerant Plant\u003c\/span\u003e\n    \u003cspan class=\"eg-badge\"\u003eGlossy Green Foliage\u003c\/span\u003e\n    \u003cspan class=\"eg-badge\"\u003eGarden and Container Plant\u003c\/span\u003e\n  \u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003c!-- 2. KEY FEATURES --\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003csection class=\"eg-feature-grid\"\u003e\n  \u003carticle class=\"eg-feature\"\u003e\n    \u003ch3\u003eBright Flower Colors\u003c\/h3\u003e\n    \u003cp\u003e\n      Produces attractive flowers in a variety of colors, including pink, white, red, and purple, depending on the variety.\n    \u003c\/p\u003e\n  \u003c\/article\u003e\n  \u003carticle class=\"eg-feature\"\u003e\n    \u003ch3\u003eWarm-Weather Performance\u003c\/h3\u003e\n    \u003cp\u003e\n      Grows well in warm conditions and can tolerate heat once established when provided with suitable soil moisture.\n    \u003c\/p\u003e\n  \u003c\/article\u003e\n  \u003carticle class=\"eg-feature\"\u003e\n    \u003ch3\u003eGlossy Green Leaves\u003c\/h3\u003e\n    \u003cp\u003e\n      Features smooth, green foliage that complements its colorful flowers in garden beds and containers.\n    \u003c\/p\u003e\n  \u003c\/article\u003e\n  \u003carticle class=\"eg-feature\"\u003e\n    \u003ch3\u003eVersatile Ornamental Use\u003c\/h3\u003e\n    \u003cp\u003e\n      Suitable for borders, flower beds, patio pots, and landscape plantings in climates that support its growth.\n    \u003c\/p\u003e\n  \u003c\/article\u003e\n\u003c\/section\u003e\n\n\u003c!-- 3. PRODUCT HIGHLIGHTS --\u003e\n\u003ch2\u003eProduct Highlights\u003c\/h2\u003e\n\u003csection class=\"eg-highlights\"\u003e\n  \u003cdiv class=\"eg-highlight\"\u003eBotanical name: Catharanthus roseus\u003c\/div\u003e\n  \u003cdiv class=\"eg-highlight\"\u003eCommonly called Madagascar periwinkle\u003c\/div\u003e\n  \u003cdiv class=\"eg-highlight\"\u003eAvailable in multiple flower colors\u003c\/div\u003e\n  \u003cdiv class=\"eg-highlight\"\u003eGlossy, evergreen-like foliage in warm climates\u003c\/div\u003e\n  \u003cdiv class=\"eg-highlight\"\u003eSuitable for flower beds and borders\u003c\/div\u003e\n  \u003cdiv class=\"eg-highlight\"\u003eCan be grown in garden containers\u003c\/div\u003e\n  \u003cdiv class=\"eg-highlight\"\u003ePerforms well in warm weather\u003c\/div\u003e\n  \u003cdiv class=\"eg-highlight\"\u003ePrefers well-drained soil and bright light\u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003c!-- 4. SPECIFICATIONS --\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable class=\"eg-spec-table\"\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eScientific Name\u003c\/td\u003e\n      \u003ctd\u003e\u003cem\u003eCatharanthus roseus\u003c\/em\u003e\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eCommon Name\u003c\/td\u003e\n      \u003ctd\u003eAnnual Periwinkle; Madagascar Periwinkle; Vinca\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003ePlant Family\u003c\/td\u003e\n      \u003ctd\u003eApocynaceae\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eSeed Type\u003c\/td\u003e\n      \u003ctd\u003eFlower Seeds\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003ePlant Type\u003c\/td\u003e\n      \u003ctd\u003eTender perennial commonly grown as an annual\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eGrowth Habit\u003c\/td\u003e\n      \u003ctd\u003eUpright or spreading, bushy flowering plant\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eFlower Colors\u003c\/td\u003e\n      \u003ctd\u003ePink, white, red, purple, and other variety-dependent shades\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eFoliage Color\u003c\/td\u003e\n      \u003ctd\u003eGlossy green\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eUSDA Hardiness Zones\u003c\/td\u003e\n      \u003ctd\u003eGenerally zones 10–11 as a perennial; grown as an annual in cooler regions\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003ePlanting Season\u003c\/td\u003e\n      \u003ctd\u003eSpring after frost danger has passed, or during warm weather\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eSeed Starting\u003c\/td\u003e\n      \u003ctd\u003eStart indoors or sow in a warm, prepared growing area\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eGermination Time\u003c\/td\u003e\n      \u003ctd\u003eTypically 7–14 days under suitable conditions\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eGermination Temperature\u003c\/td\u003e\n      \u003ctd\u003eApproximately 21–27°C (70–81°F)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eSunlight\u003c\/td\u003e\n      \u003ctd\u003eFull sun to partial shade; flowering is generally best with ample sunlight\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eSoil Requirements\u003c\/td\u003e\n      \u003ctd\u003eWell-drained soil with moderate fertility\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eWatering\u003c\/td\u003e\n      \u003ctd\u003eWater regularly while establishing; avoid waterlogged soil\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eMature Plant Height\u003c\/td\u003e\n      \u003ctd\u003eApproximately 15–60 cm (6–24 inches), depending on variety\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003ePlant Spacing\u003c\/td\u003e\n      \u003ctd\u003eApproximately 20–30 cm (8–12 inches), depending on variety\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003ePropagation Method\u003c\/td\u003e\n      \u003ctd\u003eSeeds or cuttings\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003ePrimary Uses\u003c\/td\u003e\n      \u003ctd\u003eFlower beds, borders, containers, and ornamental landscaping\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003c!-- 5. GROWING GUIDE --\u003e\n\u003ch2\u003eGrowing Guide\u003c\/h2\u003e\n\u003csection class=\"eg-guide\"\u003e\n  \u003cdiv class=\"eg-guide-step\"\u003e\n    \u003cstrong\u003eStep 1: Choose the Right Time\u003c\/strong\u003e\u003cbr\u003e\n    Start seeds indoors several weeks before the last expected frost, or sow outdoors when temperatures are consistently warm. Periwinkle grows best in warm conditions.\n  \u003c\/div\u003e\n  \u003cdiv class=\"eg-guide-step\"\u003e\n    \u003cstrong\u003eStep 2: Prepare the Growing Medium\u003c\/strong\u003e\u003cbr\u003e\n    Use a clean seed-starting mix or loose, well-drained garden soil. Choose containers with drainage holes to help prevent excess moisture around the roots.\n  \u003c\/div\u003e\n  \u003cdiv class=\"eg-guide-step\"\u003e\n    \u003cstrong\u003eStep 3: Sow the Seeds\u003c\/strong\u003e\u003cbr\u003e\n    Sow seeds about 0.5 cm deep and cover lightly with growing medium. Keep the soil evenly moist and provide warmth during germination.\n  \u003c\/div\u003e\n  \u003cdiv class=\"eg-guide-step\"\u003e\n    \u003cstrong\u003eStep 4: Provide Light and Water\u003c\/strong\u003e\u003cbr\u003e\n    After germination, provide bright light and water when needed to maintain suitable soil moisture. Avoid overwatering, which can encourage root problems.\n  \u003c\/div\u003e\n  \u003cdiv class=\"eg-guide-step\"\u003e\n    \u003cstrong\u003eStep 5: Transplant the Seedlings\u003c\/strong\u003e\u003cbr\u003e\n    Move seedlings outdoors after frost danger has passed and the weather is warm. Space plants according to their expected mature size and select a sunny location.\n  \u003c\/div\u003e\n  \u003cdiv class=\"eg-guide-step\"\u003e\n    \u003cstrong\u003eStep 6: Encourage Flowering\u003c\/strong\u003e\u003cbr\u003e\n    Water during prolonged dry periods and remove damaged growth as needed. Provide adequate sunlight and avoid excessive fertilizer to support healthy flowering.\n  \u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003c!-- 6. CLOSING BANNER --\u003e\n\u003csection class=\"eg-closing\"\u003e\n  \u003ch2\u003eBring Lasting Color to Your Garden with Annual Periwinkle\u003c\/h2\u003e\n  \u003cp\u003e\n    Annual Periwinkle Seeds are a practical choice for gardeners looking to grow colorful flowers in warm-weather beds, borders, and containers. With glossy foliage and blooms in a range of shades, these plants can brighten outdoor spaces throughout the growing season. Provide warmth, adequate sunlight, and well-drained soil to encourage healthy growth and attractive flowering.\n  \u003c\/p\u003e\n\u003c\/section\u003e\n\n\u003c!-- 7. FREQUENTLY ASKED QUESTIONS --\u003e\n\u003csection class=\"eg-faq\"\u003e\n  \u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n  \u003cp class=\"eg-faq-intro\"\u003e\n    Find answers about Annual Periwinkle seed starting, flowering time, and growing conditions.\n  \u003c\/p\u003e\n\n  \u003cdetails class=\"eg-faq-item\"\u003e\n    \u003csummary\u003eHow long does it take for Annual Periwinkle seeds to bloom?\u003c\/summary\u003e\n    \u003cdiv class=\"eg-faq-answer\"\u003e\n      \u003cp\u003e\n        Annual Periwinkle generally begins flowering around 10–16 weeks after sowing, depending on the variety, temperature, sunlight, and growing conditions. Starting seeds early in warm conditions can help plants establish before the main flowering season.\n      \u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails class=\"eg-faq-item\"\u003e\n    \u003csummary\u003eShould Annual Periwinkle seeds be soaked before planting?\u003c\/summary\u003e\n    \u003cdiv class=\"eg-faq-answer\"\u003e\n      \u003cp\u003e\n        Soaking is generally not necessary for Annual Periwinkle seeds. Sow them in a moist seed-starting mix, cover lightly, and maintain a temperature of approximately 21–27°C (70–81°F). Follow the seed supplier's instructions if they recommend a specific preparation method.\n      \u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails class=\"eg-faq-item\"\u003e\n    \u003csummary\u003eCan Annual Periwinkle grow in hot and humid climates?\u003c\/summary\u003e\n    \u003cdiv class=\"eg-faq-answer\"\u003e\n      \u003cp\u003e\n        Yes, Madagascar periwinkle grows well in warm climates and tolerates heat once established. In humid conditions, provide good drainage, adequate spacing, and sufficient airflow. Avoid persistently wet soil, which can increase the risk of root and stem diseases.\n      \u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e","brand":"Organi Seeds","offers":[{"title":"100 Pcs","offer_id":67812010328301,"sku":"SU_OS_002065","price":16.99,"currency_code":"INR","in_stock":true},{"title":"500 Pcs","offer_id":67812010361069,"sku":"SU_OS_002066","price":49.99,"currency_code":"INR","in_stock":true},{"title":"1000 Pcs","offer_id":67812010393837,"sku":"SU_OS_002067","price":89.99,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0840\/3268\/4269\/files\/Annual_Periwinkle_Seeds.png?v=1792653497","url":"https:\/\/organiseeds.com\/products\/annual-periwinkle-seeds-for-sale","provider":"My Store","version":"1.0","type":"link"}