Heatwave Blue with Eye Vinca with foliage surround on a white background.
Several Vinca, Heatwave Blue with Eye flowers growing in the field
A grey vase full of Vinca, Heatwave Blue with Eye flowers set on a grey background.
Heatwave Blue with Eye Vinca with foliage surround on a white background.
Several Vinca, Heatwave Blue with Eye flowers growing in the field
A grey vase full of Vinca, Heatwave Blue with Eye flowers set on a grey background.

Vinca Seeds,
Heatwave Blue with Eye

4.73 ReviewsSKU: #FL771Min. seed count: 35
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Description

(Catharanthus roseus). It is a dwarf bedding vinca with cheerful grape-colored blooms. This delicate-looking flower is one of the most heat- and drought-tolerant blooms we have seen! The compact plants reach about 8 inches tall and 8 to 12 inches wide. They will soldier through intense heat and humidity and can tolerate full sun. Excellent in pots, beds, borders, and planted en masse.

Note: All parts of the plant are poisonous!

Growing Tips: This variety prefers full sun but can tolerate partial shade. It's important to plant vinca in well-draining soil to prevent root rot, especially in regions with high humidity. Amending the soil with compost can improve its drainage and nutrient content. Vinca can thrive with minimal maintenance but benefits from occasional pruning for bushier growth and more flowers.

Plant Details

Botanical Name
Catharanthus roseus
Life Cycle
A tropical perennial (hardy in zones 9–11), mostly grown as an annual
Days to Germinate
7–21
Days to Maturity
70–84
Planting Depth
¼ in.
Plant Spacing
9–12 in.
Ideal Temperature
75–80°F
Frost Hardy
No

When to Grow

Vinca should be started indoors 8-10 weeks before the last spring frost and transplanted only after the threat of frost has passed, as it is not frost-tolerant. The ideal soil temperature for germination is 70-75 F. Vinca will continue to thrive through the summer heat and often until the first frost of fall​. If you’re not sure how to find your area's first and last frost dates, consult our blog post 'Our Experts Answer Questions, Share Resources.'

How to Sow and Plant

Vinca seeds should be sown 1/4 inch deep in seed trays filled with a well-draining seed-starting mix. Keep the soil moist but not wet throughout germination, which typically occurs in 7-21 days. Once seedlings have their first set of true leaves and the danger of frost has passed, transplant them outdoors, spacing plants 9-12 inches apart to allow for good air circulation.

How to Grow

Water when the top inch of soil feels dry, as overwatering can lead to fungal diseases. Vinca is drought-tolerant, so it will perform better with less frequent watering rather than consistently wet conditions. Fertilize lightly with a balanced, slow-release fertilizer at planting time, and again every 4-6 weeks during the growing season to encourage blooming. Pruning is optional but can help the plant remain compact and produce more flowers​.

How to Save Seeds

  • Pinch seed pods off after flower petals drop and pods become brown in color.
  • Let the pods dry in a paper bag.
  • When the pods have dried, pop them open to remove the seeds.
  • Store in a cool, dry, and dark place until you are ready to plant.

FAQ

Is it necessary to deadhead Blue With Eye vinca?

No, vinca is self-cleaning, meaning it naturally sheds spent blooms. Deadheading is not required to keep it flowering throughout the season.

What are common pests or diseases affecting Blue With Eye vinca?

Vinca is generally resistant to most pests but can occasionally be affected by aphids, spider mites, or fungal diseases like powdery mildew. Proper spacing and avoiding overhead watering can help prevent these issues.

Can Blue With Eye vinca be grown in containers?

Yes, it is well-suited for container gardening. Use a well-draining potting mix, and ensure the container has drainage holes. Water regularly but allow the soil to dry out between waterings.

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