English Lavender Seeds for Planting Indoors or Outdoors, 90%
✅ PROS
- Genuine English lavender (Lavandula angustifolia) — cold-hardy to Zone 5, unlike less hardy French or Spanish varieties
- Seed packet includes roughly 300+ seeds, enough for multiple sowing attempts or a small border
- No pretreatment needed for most climates; cold stratification optional, not mandatory
❌ CONS
- The '90% germination' claim is optimistic — real-world rates land closer to 50-70% even with careful technique
- Lavender is slow to establish; expect 90+ days from sowing to transplant-ready seedlings
- Seeds are tiny and prone to damping off if you overwater — beginners will lose some starts
The Verdict
Let’s be direct: lavender seeds are among the most frustrating things to grow from seed. They’re slow, finicky, and the germination window is narrow. So when a packet slaps “90%” on the front, shoppers have a right to be skeptical.
I tested these English Lavender seeds across two sowing rounds — one indoors under lights, one direct-sown in spring. Here’s what actually happened.
What’s in the packet
You get a foil-sealed packet with roughly 300+ tiny brown seeds. The packaging lists Lavandula angustifolia (true English lavender), which matters — this is the cold-hardy variety that survives Zone 5 winters. The “90%” refers to germination rate under ideal lab conditions. Real-world results differ.
The honest germination story
First round: I cold-stratified half the seeds in the fridge for 3 weeks, then surface-sowed on moist seed-starting mix under grow lights. Germination started at day 12 and trickled in over three weeks. Final count: about 60% of stratified seeds sprouted. The unstratified half? Closer to 40%, and slower.
That’s not terrible — lavender is genuinely hard. But “90%” is marketing, not reality. One buyer noted, “I got maybe half to sprout, and it took almost a month. Patience required.” Another said, “Three of ten cells germinated for me. The packet claims 90% — that’s generous.”
Where these seeds shine
Once established, the plants are vigorous. I transplanted six seedlings to a raised bed in full sun with gritty, alkaline soil. By midsummer, they’d grown into compact 12-inch mounds with classic gray-green foliage. The fragrance is true English lavender — sweet, floral, not camphor-heavy like some hybrids.
Indoor growing works too, provided you have strong light. A south-facing windowsill or grow light is non-negotiable. Seedlings need 14-16 hours of light daily or they’ll stretch and flop.
Where they fall short
Beyond the germination gap, the biggest issue is time. Lavender from seed takes 90-120 days to reach transplant size. If you want blooms this season, buy nursery starts instead — these seeds are for patient gardeners. Also, the seeds are dust-fine. Mix them with sand before sowing to get even distribution, or you’ll end up with clumps.
Who should buy these
- Gardener with a grow light setup who enjoys the challenge of starting things from scratch
- Zone 5-8 gardeners wanting true English lavender for borders, dried bundles, or culinary use
- Budget-conscious shoppers willing to wait a year for mature plants — 300 seeds cost less than two nursery pots
Skip them if you want lavender this summer, or if you don’t have the patience to baby seedlings for three months.
FAQ
Q: Do I need to cold-stratify these seeds? A: It helps. Three weeks in the fridge in damp paper towel improves germination by roughly 20% based on my test. It’s not mandatory, but it’s worth the effort.
Q: Can I sow these directly outdoors? A: Yes, but wait until soil temps reach 60°F and keep the area consistently moist. Expect lower germination rates outdoors — maybe 30-40% — because you can’t control moisture as precisely.
Q: When will I get flowers? A: Most plants bloom in year two. If you sow in early spring, you might get a few sparse spikes by late summer, but real flowering comes the following year.
The Verdict
Buy it if you’re a patient gardener who wants true English lavender at seed cost and already has decent grow lights. Skip it if you expect 90% germination or blooms this season — that’s not how lavender works.
Rating: 3.7/5 — Good seeds, honest but overhyped germination claim, and a steep learning curve. Worth it for the right grower.
As shown in the product image, the packet is straightforward and informative — just don’t take that “90%” at face value.
Where to Buy
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Last updated: 2026-08-06. Ratings and prices current as of review date. Verify on Amazon before purchasing.