Gypsophila (Baby's Breath) in Zone 6a & 6b
Gypsophila elegans
Yes, gypsophila (baby's breath) grows in zones 6a and 6b. Start seeds indoors Mar 7–Mar 14 and plant out May 2–May 9.
When to plant gypsophila (baby's breath) in zone 6b
Zones 6a and 6b share the same average frost dates, so this page covers both.
Method: Either: Start indoors for an earlier harvest, or direct-sow outside for less fuss. Either works.
| Start indoors | Mar 7–Mar 14 |
|---|---|
| Direct sow / transplant outside | May 2–May 9 |
| Estimated bloom | Jul 16–Jul 23 (~75 days after planting) |
Spacing: 2 per square foot (square-foot-gardening spacing). Mature height: 1.5-2 ft.
Plant alongside it in zone 6b
These go outside within two weeks of gypsophila (baby's breath) in zone 6b, so one planting day can cover them.
- NasturtiumMay 2–May 9
- MarigoldMay 2–May 9
- Ageratum (Flossflower)May 2–May 9
- Annual Geranium (Pelargonium)May 2–May 9
- Butterfly Weed (Asclepias)May 2–May 9
- Campanula (Bellflower)May 2–May 9
Baby's breath is the classic airy filler flower, a cloud of tiny white blooms used to soften and fill out cut arrangements built around bigger, showier flowers. It's an easy annual, but an unusual one: it performs best in relatively poor soil, the opposite of what most cutting-garden flowers want.
How gypsophila (baby's breath) fits zone 6's season
Zone 6b's frost-free window runs about 173 days, from April 25 to October 15. Gypsophila (baby's breath) needs about 75 days from sowing to first bloom.
Gypsophila (Baby's Breath) planting windows in every zone
Zone 6b is highlighted. Useful for comparing against a neighbouring zone, or for a garden somewhere else.
| Zone | Start indoors | Sow or plant out | Bloom |
|---|---|---|---|
| 2a & 2b | Apr 1–Apr 8 | May 27–Jun 3 | Aug 10–Aug 17 |
| 3a & 3b | Apr 11–Apr 18 | Jun 6–Jun 13 | Aug 20–Aug 27 |
| 4a & 4b | Mar 27–Apr 3 | May 22–May 29 | Aug 5–Aug 12 |
| 5a & 5b | Mar 22–Mar 29 | May 17–May 24 | Jul 31–Aug 7 |
| 6a & 6b (your zone) | Mar 7–Mar 14 | May 2–May 9 | Jul 16–Jul 23 |
| 7a & 7b | Feb 20–Feb 27 | Apr 17–Apr 24 | Jul 1–Jul 8 |
| 8a & 8b | Feb 4–Feb 11 | Apr 1–Apr 8 | Jun 15–Jun 22 |
| 9a & 9b | Dec 28–Jan 4 | Feb 22–Mar 1 | May 8–May 15 |
| 10a & 10b | Dec 12–Dec 19 | Feb 6–Feb 13 | Apr 22–Apr 29 |
| 11a & 11b | Nov 13–Nov 20 | Jan 8–Jan 15 | Mar 24–Mar 31 |
Bloom dates are about 75 days after the sow or plant-out date, not after starting seeds indoors.
Zone 2 sows before zone 3 here, which looks wrong and is not. USDA zones rank winter cold, not season length, and zone 2 is mostly interior Alaska, where hard winters come with warm summers. More on what a zone measures.
Good companions
No well-established companions for gypsophila (baby's breath).
Where to buy gypsophila seeds
True Leaf Market (each supplier's gypsophila seeds)
See why we recommend these suppliers →
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See it growing
Search YouTube for "growing gypsophila (baby's breath)" videos → (a live search, not a hand-picked video; results vary and aren't vetted by us)
← Back to the full zone 6b calendar · Plan your beds in the Garden Designer →
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Growing Gypsophila (Baby's Breath) in USDA zone 6b: when to start seeds indoors, when to direct-sow, and when to expect a bloom.
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