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Sapphire Blue Corn Seeds – Unique Heirloom Variety for Planting

Sapphire Blue Corn Seeds – Unique Heirloom Variety for Planting

Regular price $16.39 USD
Regular price Sale price $16.39 USD
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How to Sow and Plant

Sow seeds indoors 3–4 weeks before the last frost
Soak seeds 12–24 hours to speed germination
Plant outdoors after frost, soil ≥15°C
Plant seeds 1–2 inches deep, 8–12 inches apart
Space rows 36–48 inches apart

How to Grow

Provide full sunlight 6–8 hours daily
Water consistently, keep soil moist but not soggy
Fertilize with balanced fertilizer high in phosphorus & potassium
Mulch to retain moisture and suppress weeds
Stake if needed for tall plants

Tips

Plant in blocks for better pollination
Companion planting with beans and squash improves yield
Ratate crops annually to prevent soil-borne diseases

Harvest when kernels are firm and husks dry

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About
Product Information
Features
life-cycle

Life Cycle

Annual

plant-characteristics

Plant Characteristics

Blue Kernels

growth-habit

Growth Habit

Upright

bloom-season

Bloom Season

Summer

flavour-profile

Flavour Profile

Sweet

suitable-for

Suitable for

Outdoor

About
Sapphire Blue Corn Seeds – Unique Heirloom Variety for Planting
seed-type

Seed Type

Heirloom

plant-type

Plant Type

Vegetable


Sapphire Blue Corn is a visually striking heirloom corn variety with deep blue kernels, ideal for both ornamental gardens and culinary applications like cornbread, tortillas, and popcorn.

Planting information
planting-season

Planting Season

Spring

fruit-size

Fruit Size

Standard

plant-height

Plant Height

6–8 ft

light-requirement

Light Requirement

Full Sun

water-needs

Water Needs

Moderate

hardiness-zones

Hardiness Zones

3–9

container-garden

Container Garden

No

plant-spacing

Plant Spacing

8–12 inches

planting-depth

Planting Depth

1–2 inches

growing-conditions

Growing Conditions

Fertile

Coverage
Seed Count
Recommended Coverage
Seed Count
100
GTN
036000174762

Frequently Asked Questions

What makes Sapphire Blue Corn a popular corn variety?

Sapphire Blue Corn is admired for its vigorous growth, striking blue kernels, and dependable seasonal harvests, making it a popular choice for home vegetable gardens, ornamental plantings, and edible landscapes.

Where can Sapphire Blue Corn be grown?

It grows well in garden beds, raised beds, and spacious vegetable plots with fertile, well-drained soil in a location that receives full sun.

When are Sapphire Blue Corn ears ready to harvest?

The ears are typically ready to harvest once they reach their mature size and the kernels develop their characteristic deep blue color. Harvest timing may vary depending on growing conditions and the intended stage of use.

How can Sapphire Blue Corn be used?

The harvested ears may be used for fresh culinary preparations at the appropriate stage, drying, decorative displays, milling, and a variety of homemade recipes according to personal preference.

Does harvesting mature ears help maintain quality?

Yes, harvesting ears at the appropriate stage of maturity helps preserve their texture, appearance, and overall quality under suitable growing conditions.

Can Sapphire Blue Corn be grown in home gardens?

Yes, it grows successfully in home gardens with nutrient-rich, well-drained soil, regular watering, and adequate sunlight. Providing sufficient spacing between plants helps support healthy growth and productive harvests.