# Auto Purple > Auto Purple by Pyramid Seeds — a European purple best seller, with a germination guarantee. 18–20% THC, violet buds, an intense forest-berry aroma — ready in 65 days with no light schedule. Multiple harvests a year possible. Who is it for? For anyone who wants violet buds with no light management — the best-selling purple autoflower in the catalogue. Discreet worldwide shipping. Brand: Pyramid Seeds (Barcelona, breeding since 2000) Product page: https://pyramidseeds.com/gb/autoflowering/83-auto-purple.html SKU: PYRAUTOPU ## Specifications - Genotype: Índica 50% - Genotype: Sativa 50% - Genetics: Purple - Genetics: Ruderalis - Approximate indoor height: 40 -140 cm - Approximate outdoor height: + 60 cm - Aroma: Fruit - Aroma: Berries - Effects: Euphoria - Effects: Relaxing - Effects: Serenity - Indoor yield per 1 m²: 400 gr/m2 - Outdoor yield: 50-180 gr - THC: 18-20% - Indoor flowering: 65 days - Collection: European - Flowering type: Autoflowering - Type: Feminized - CBD: Low - Difficulty Level: Easy - Indoor yield per 1,5 m² (Expert 720 W LED): 700-750 g/1,5m² - Genotype Dominance: Hybrid - THC Level: Medium - CBD Level: Low - Yield Indicators (Indoor): Large - Yield Indicators (outdoor): Medium - Unusual color: ✓ - Best Sellers: ✓ - Indoor flowering (LED): 58 days **Auto Purple** from Pyramid Seeds — European purple genetics in autoflowering format, with a **germination guarantee**. A **best seller**. **18–20% THC**, a 50/50 hybrid, up to **750 g/1.5 m²** under LED — an intense forest-berry aroma and spectacular violet colours in **65 days from germination** with no light schedule. (Also searched as "Purple Auto", "Purple Autoflower", "Auto Purple Pyramid Seeds" or "Auto Purple strain".) ## Key specifications **Genetics** | Purple **Genotype** | 50% sativa / 50% indica **Collection** | European · Best Seller **Seed type** | Autoflowering, feminized **THC** | 18–20% **CBD** | Low (< 1%) **Cycle indoor** | 65 days from germination (LED: 58 days) **Yield indoor** | 400 g/m² | up to 700–750 g/1.5 m² (720 W LED) **Yield outdoor** | 50–180 g/plant **Height indoor** | 40–140 cm **Height outdoor** | from 60 cm **Special feature** | Unusual colour — intense violet tones **Dominant terpenes** | Myrcene, caryophyllene, linalool **Aroma** | Forest berries, ripe fruit, sweet **Effects** | Euphoric, relaxing, serene **Difficulty** | Easy ## Genetics and origin **Auto Purple** is based on **Purple Fem** — the European purple selection by Pyramid Seeds — converted into an autoflowering format. The characteristic forest-berry profile, the violet colours and the balanced effect are all preserved — now with no light schedule and several harvests a year possible. A **best seller** in the European collection. ## Effects As a balanced 50/50 hybrid, **Auto Purple** offers a two-phase effect: - **Euphoric start** — a pleasant mood lift and serenity - **Physical relaxation** — the indica share brings deep muscle relaxation - **Balanced serenity** — ideal for the evening or creative moments At 18–20% THC it's more accessible than the Fem version — ideal for newcomers to purple genetics. ## Aroma and terpene profile The forest-berry fruit profile of Purple Fem is fully preserved in the autoflowering version — intense, sweet, fruity. The violet tones are present even under continuous 18/6 lighting, but intensify at cooler temperatures in late flowering. Terpene | Typical impressions | Contribution to the profile **Myrcene** | Earthy, fruity, sweet | A fruity base, supports relaxation **Caryophyllene** | Spicy, peppery, warm | Spicy depth, balances the berry sweetness **Linalool** | Floral, slightly sweet | A calming floral note ## Growing — indoor and outdoor ### Indoor growing No light switch needed — a constant **18/6**. Ready in **65 days from germination** (LED: 58 days). Yield: **400 g/m²** standard, up to **700–750 g/1.5 m²** with a 720 W LED. Variable height: 40–140 cm — light LST recommended for more compact setups. ### Outdoor growing Two harvests per season are possible: a **first sowing in April/May** → harvest July/August; a **second sowing in June/July** → harvest September/October. **50–180 g** per plant. From 60 cm outdoors — compact and discreet. Natural temperature drops in autumn intensify the violet tones. As one of the most colourful autoflower strains, it's a standout in any garden. ## Auto Purple vs Purple Fem: a direct comparison | Auto Purple | Purple Fem **Seed type** | Autoflowering | Photoperiod **THC** | 18–20% | 22% **Flowering** | 65 days (from germination) | 60 days (from flip) **Yield indoor (LED)** | 700–750 g/1.5 m² | 750–800 g/1.5 m² **Yield outdoor** | 50–180 g/plant | 0.5–1.5 kg/plant **Multiple harvests/year** | ✅ Yes | Limited ## When Auto, when Fem? Choose **Auto Purple** if: you want several harvests a year, are a beginner or prefer a compact, discreet setup with no light schedule. Choose **Purple Fem** if: you want maximum yield (up to 1.5 kg outdoor), higher potency (22% THC) and full control over the vegetative period. ## Purple family — related strains - **Purple Fem** — photoperiod, 22% THC, up to 1.5 kg outdoor - **Purple Urkle** — American purple line, grape profile - **Mendocino Purple Kush** — Mendocino × Purple Kush - **All purple strains →** **The best-selling purple autoflower.** Auto Purple delivers 18–20% THC, a fruity forest-berry aroma and violet buds in just 65 days — no light schedule. Available in bulk packs too. Autoflowering Seeds Bulk Seeds Auto Purple — frequently asked questions **What is Auto Purple?** Auto Purple is a feminized 50/50 hybrid autoflower from Pyramid Seeds' European best-seller collection. 18–20% THC, an intense forest-berry aroma, violet colours — ready in 65 days from germination with no light schedule. **How long does Auto Purple flower?** 65 days from germination — under LED from 58 days. No light switch needed. In cooler climates this allows two harvests per season. **Why is Auto Purple violet?** The violet colour comes from anthocyanins — genetically determined colour pigments firmly anchored in the Purple line. Cool temperatures in late flowering intensify the violet tones further, making it one of the most colourful autoflower strains. **What's the difference between Auto Purple and Purple Urkle?** Auto Purple is a European autoflowering selection — a 50/50 hybrid, easier to grow, with several harvests a year. Purple Urkle is an American photoperiod indica (80%) with a more intense grape profile and higher potency (20–22% THC). **Is Auto Purple good for beginners?** Yes — easy difficulty, no light management, robust European genetics. One of the best-selling autoflowering strains in the Pyramid Seeds collection. **Where can I buy Auto Purple seeds?** Original Auto Purple seeds with a germination guarantee are available directly from Pyramid Seeds — also in bulk packs, with fast, discreet worldwide shipping. Pyramid Seeds — over 20 years of experience in cannabis breeding. Direct shipping from Barcelona, discreet and fast worldwide.