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Nasturtium

flower

Nasturtium (standard)

Trap crop for aphids in some gardens.

Ordering identifiers

SKU
PLT-10031
Barcode
08100010032
Supplier / brand
PlantIt Seed Co. · PlantIt Basics
Packet size
~50 seeds
Seeds per pack
50
Germination %
100%
Growth habit
BUSH
Sow method
TRANSPLANT
Plant spacing
12 inches
Row spacing
15 inches
Height / spread
12 / 12 in
Light preference
full sun
Hardiness zones
3-9
Temp preference
warm season
Germination temp
70–85°F
Days to germinate
10 days
Soil
Well-drained, fertile soil; amend with compost.
Days to transplant
21
Days to harvest
50 (±10d window)
Seed vs last frost
-2 weeks

Garden size

Suited to: garden plot / in-ground · raised bed · container

Other info

  • Direct sow: —
  • Start indoors: Start indoors about 2 weeks before last frost.
  • Transplant: Transplant at 21 days from sowing, after frost risk.
  • Thin: —

Companions & antagonists

Plant with: Zucchini, Winter Squash, Cucumber, Bush Beans

Avoid near: —

Water by environment

  • Grow tent: Moderate; too much nitrogen = fewer flowers.
  • Greenhouse: Light water; trailing types for baskets.
  • Outdoors: Low–moderate water; edible flowers/leaves.

Sample schedule (zone 7a, outdoors)

  • Start indoors — Start indoors / under cover (indoors), 2 wk before last spring frost (Apr 4, 2027). Start indoors about 2 weeks before last frost.Mar 21
  • Germinate — Expect germination (~10 days after sow)Mar 31
  • Transplant — Transplant indoors → outdoors. After last spring frost (Apr 4, 2027 + 1 wk). Transplant at 21 days from sowing, after frost risk.Apr 11
  • Harvest — Harvest window opens (~50 days after transplant; ~10 day window) (first fall frost ~Oct 23, 2027)May 31