California Giants Mix Zinnia Seeds
A generous one-ounce packet of California Giants zinnias that earns its keep from first warm soil through the last cut of autumn — bold blooms, reliable germination, and enough seed to fill a serious border.
TL;DR Summary
Pros
- Approximately 3,000 seeds per ounce — enough for a serious cutting garden or long border
- Strong, consistent germination in warm soil with minimal fuss
- Wide, well-balanced color range from deep red through cream and lavender
- Blooms hold up exceptionally well through August heat and moderate drought
- Good value per seed compared to smaller retail packets
Cons
- No planting instructions included — first-time zinnia growers may need to look elsewhere for guidance
- Mixed colors make precise color-scheme planning impossible
- Seed viability can decline if stored improperly between seasons
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Extended Observations
A generous one-ounce packet of California Giants zinnias that earns its keep from first warm soil through the last cut of autumn — bold blooms, reliable germination, and enough seed to fill a serious border.
I've been direct-sowing zinnias for going on twelve years, and the California Giants mix is one I come back to season after season. The one-ounce packet contains roughly 3,000 seeds, which sounds like more than you'd ever need — until you're filling a long fence row or seeding a cutting garden in earnest. I sow the first wave in late May once the soil has genuinely warmed, and by mid-July the plants are waist-high and opening blooms the size of a closed fist. That's the California Giants promise, and this mix delivers on it consistently.
The color range is one of the things I appreciate most. You get deep scarlets, warm oranges, pale creams, hot pinks, and a few lavender tones that photograph beautifully. No single color dominates, and the randomness of a mixed planting gives a border a natural, almost wild generosity that a single-color planting never quite achieves. I've grown this alongside dahlias and rudbeckia, and the zinnias hold their own without overpowering the composition.
Germination rate has been strong in my experience — I've seen sprouts within five to seven days in warm, well-drained soil with consistent moisture. I don't start these indoors; zinnias resent transplanting, and direct sowing suits them. A light raking of the seed into loose soil, a gentle watering, and patience is all it takes. By the second week you'll have a thick stand of seedlings to thin.
Through the heat of August — and I mean the kind of August where you water at dawn and again at dusk — these plants don't flinch. Zinnias as a species are built for summer punishment, and the California Giants variety specifically seems to thrive under full sun and moderate drought once established. I've had summers where the hose barely reached the back border, and the zinnias were the last plants to show stress.
A couple of honest notes: the packet doesn't include detailed planting instructions, which matters more to a first-time grower than to a seasoned one. And because this is a mixed-color blend, you can't plan a precise color scheme — what you get is what comes up, which is a joy for some gardeners and a mild frustration for others. Neither of those things changes the fact that this is excellent seed at a fair price, and it's earned a permanent spot in my spring order.
Our Verdict
A generous one-ounce packet of California Giants zinnias that earns its keep from first warm soil through the last cut of autumn — bold blooms, reliable germination, and enough seed to fill a serious border.
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What customers are saying
17 reviewsFast shipping and quality seeds that germinated within 7 days of planting.
Growth performance was unsatisfactory, though the specific cause remains unclear.
While the flowers are attractive, they fall far short of the advertised giant size, which is a significant letdown.
Germination exceeded 90% with vigorous, bushy, tall plant growth. However, blooms were unexpectedly tiny—fingernail-sized—contradicting the "Giants" designation. Despite phosphorus-rich fertilizer app...
The product met all expectations.
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