You showed up at the garden center in mid-May, and every pretty perennial seemed to need a year before it did anything. Or maybe you filled a brand-new raised bed with soil and you're tired of seeing brown. The solution isn't more patience — it's choosing fast growing pink flowers that put on a show within weeks, not seasons.
What makes a flower “fast growing”?
For practical purposes, it means dependable color that starts between 8 and 12 weeks from seed, or just a few weeks after you set out transplants. Fast growers are usually annuals — plants that sprout, bloom, and finish their life in one season. You'll replant next year, but for quick impact, they're an easy win.
Standouts for quick pink blooms
Here are four reliable picks, each with a slightly different way of delivering that rosy color fast.
| Flower | Seed to first bloom | Best for |
|---|---|---|
| Cosmos | 6–8 weeks | Back borders, cutting gardens |
| Zinnia | 6–7 weeks | Bright sunny pots, cottage beds |
| Cleome (spider flower) | 8–10 weeks | Tall back-of-bed height, pollinator-friendly |
| Petunia (bedding plants) | Blooming already at the store | Hanging baskets, window boxes, front-of-border |
Cosmos and zinnias are the classic seeds to direct sow once the danger of frost is past. Look for varieties like cosmos “Sensation” (soft rose) or zinnia “Benary's Giant Pink.” For clear pink blooms, cleome adds unusual spidery flowers and can reach three feet tall by late summer. If you want nearly instant color, buy a six-pack of pink petunias — transplants that are already blooming and will only get fuller.
Simple steps for getting blooms sooner
- Wait for warm soil. Fast growers hate cold, wet feet. Direct sowing when the soil is around 60°F gives quicker, more even sprouting.
- Keep the seedbed evenly moist. Even two days of dryness can slow germination by a week.
- Use a slow-release fertilizer at planting time. Too much high-nitrogen liquid feed encourages leaves at the expense of buds.
- Deadhead spent flowers every few days. It directs energy into new buds rather than seed production.
🌱 Note: Cosmos genuinely prefers lean, average soil. If you've already enriched your bed heavily, they'll have more foliage and fewer flowers than they should.
One more go-to for impatient gardeners
If you're transplanting rather than sowing, look for annual phlox (Phlox drummondii) in soft pink. It spreads nicely, takes only a few weeks to cover small spots, and keeps blooming once you gently clip off old clusters.
Whatever you choose, read the tag or seed packet for sun and spacing — that’s what makes fast growers flourish. And don’t feel you have to plant a whole field. Even one nursery flat tucked along the edge of a walkway can turn the whole yard into a cheerier place.
Related Terms:
- Fast Growing Pink Flowers perennials
- Fast Growing Pink Flowers plants
- Fast Growing Pink Flowers pictures
- Fast Growing Pink Flowers identification
- pink flowers types
- things that are pink