Zone 5 · Microgreens Growing Guide

When to Plant Sunflower Sprouts
in Zone 5

The most substantial microgreen — thick, crunchy stems with mild nutty flavour. Soak black oil sunflower seeds 8–12 hours before sowing.

Plant outdoors
Indoors year-round
Start indoors
Direct sow
Last Frost
~Apr 15
Days to harvest
10–14 days
Difficulty
Easy
Ready to harvest — Zone 5
Harvest window: Year-round

Planting Calendar

In Zone 5, Sunflower Sprouts should be planted outdoors Indoors year-round, after the average last frost date of approximately Apr 15.

Soak seeds 8–12 hours. Harvest in 10–14 days.

Care Guide

Sunlight
Partial shade · 3–6 hrs/day
Watering
Regular
Spacing
N/A — container/substrate grown
Soil
Seed-starting mix or coco coir
Days to maturity
10–14 days
Soil pH
6.0–7.0
plant tip · Zone 5

Soak seeds 8–12 hours. Harvest in 10–14 days.

Feeding Schedule

How often
none needed
Feed type
none
Key timing
n/a

Harvested at sprout stage — no fertilizer needed. Water and light are all that's required.

Succession Planting

Sow every 1 weeks

Sow a new tray every week. Like all microgreens, each tray gives one harvest — continuous sowing is the only way to have a continuous supply.

Companion Planting for Sunflower Sprouts

What you plant next to sunflower sprouts makes a real difference — some plants actively help, others compete or attract pests.

Grows well with
    Keep away from

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      Common questions

      In Zone 5, direct sow sunflower sprouts outdoors Indoors year-round after your last frost date of approximately Apr 15. Soak seeds 8–12 hours. Harvest in 10–14 days.
      Zone 5 has an average last spring frost of approximately Apr 15 and a first fall frost around Oct 15. These dates vary by specific location — use your ZIP code in the plant app for precision based on the nearest NOAA weather station.
      Good companion crops for sunflower sprouts include . Avoid planting near , which can compete for nutrients or attract pests.
      Sunflower Sprouts typically takes 10–14 days from transplant or direct sow to harvest in Zone 5. Expected harvest window: Year-round.

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      Sunflower Sprouts in other zones
      Crop Guides