How to Grow Small Flowering Plants

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Small Flowering Plants

Various species

flower

Small flowering plants encompass a diverse group of compact ornamental plants that produce vibrant blooms, including annuals, perennials, and biennials. These plants typically grow 6-24 inches tall and are ideal for borders, containers, rock gardens, and small spaces. They offer year-round color and attract pollinators while requiring minimal maintenance.

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Example Small Flowering Plants timeline · Pittsburgh, PA (Zone 6b)

  1. Plant Small Flowering Plants

    Around Apr 17

    Near Pittsburgh's average last spring frost.

  2. Tend & protect

    Late spring–summer

    Watering, feeding, and pest-watch reminders.

  3. First Small Flowering Plants blooms

    Around May 17

    ≈ 30 days after planting

Sample dates for Pittsburgh, PA. Sign up to get exact Small Flowering Plants dates for your own zip code.

Growing Conditions

☀️
Sun: Full sun (6-8 hours daily) to part shade (3-6 hours), depending on species
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Water: Keep soil consistently moist but not waterlogged; water at soil level to avoid wetting foliage. Most small flowering plants prefer moderate moisture with good drainage.
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Spacing: 6-12 inches depending on mature size and specific variety inches
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Days to maturity: 30-120 days from seed or transplant to first blooms
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Planting depth: Surface sow or plant at depth equal to seed size; transplants at same depth as growing container

Soil

Type: Well-draining loamy soil with organic matter
pH: 6.0-7.0
Amendments:
compost peat moss aged manure perlite for drainage

Growing Zones

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Zones 3-11 depending on specific species; most small flowering plants thrive in zones 5-9

2a 2b 3a 3b 4a 4b 5a 5b 6a 6b 7a 7b 8a 8b 9a 9b 10a 10b 11a 11b

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Growth Stages

1

Seedling

2-3 weeks

Young plants with 2-4 true leaves emerging; delicate and tender

Provide bright light, maintain consistent moisture, keep soil warm (65-75°F), protect from direct wind

2

Vegetative Growth

3-6 weeks

Bushy development with multiple stems and leaf formation; no flowers yet

Pinch back growing tips to encourage bushiness; fertilize every 2-3 weeks with balanced fertilizer; ensure adequate light

3

Budding

1-2 weeks

Flower buds forming at stem tips; plant reaching mature size

Continue regular watering and fertilization; provide full sun exposure; stake tall varieties if needed

4

Flowering

4-12 weeks depending on species and conditions

Full blooms opening; peak ornamental display with consistent color

Deadhead spent flowers regularly to encourage more blooms; maintain consistent watering; reduce nitrogen fertilizer to prolong flowering

5

Seed Set to Decline

2-4 weeks

Flowers fade; seeds develop if not deadheaded; foliage may decline

Allow some flowers to set seed if saving seeds; remove spent plant material; collect seeds from perennials before frost

Companion Planting

Plan your garden →

Plant with:

Avoid planting near:

Aggressive spreading plants like mint Walnut trees (juglone toxicity)

Common Pests

  • Spray with strong water stream; use neem oil or insecticidal soap; introduce ladybugs

  • Increase humidity; spray with water; use miticide if severe; avoid sulfur in hot weather

  • Improve air circulation; spray with baking soda solution (1 tbsp per gallon water); use fungicide if necessary

  • Use yellow sticky traps; spray with neem oil or insecticidal soap; vacuum adults

  • and

    Hand-pick; use copper barriers; beer traps; apply diatomaceous earth; use slug bait

Uses

🍳

Edible flowers for garnish

Culinary

Many small flowering plants like nasturtiums, borage, and pansies produce edible blooms that add color and mild flavor to salads and desserts. These flowers are rich in vitamins and antioxidants when consumed fresh. [source]

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Cut flower arrangements

Household

Small flowering plants provide excellent material for fresh flower bouquets, floral arrangements, and table centerpieces. Many varieties have long vase life when harvested at peak bloom. [source]

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Pollinator attraction

Wildlife

Small flowering plants serve as critical nectar and pollen sources for bees, butterflies, hummingbirds, and other beneficial insects. A diverse selection ensures continuous blooms from spring through fall. [source]

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Dried flowers

Craft

Many small flowers dry well for use in crafts, potpourri, wreaths, and dried arrangements. Hang bundles upside down in a warm, dark location for 1-2 weeks. [source]

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Herbal and wellness uses

Medicinal

Certain small flowering plants like chamomile, calendula, and feverfew have traditional medicinal properties and are used in teas, tinctures, and skincare products. [source]

This is not medical advice. LizPlants is not a medical resource. Always consult a qualified healthcare professional before using plants medicinally.

Harvest Tips

For cut flowers: harvest in early morning when blooms first open; use sharp shears and place immediately in cool water. For seeds: allow flowers to dry on plant; collect seed heads when brown and dry; store in cool, dry place. Deadhead spent blooms regularly to extend flowering season by 4-8 weeks.

Fun Facts

  • 🌱 Some small flowering plants like marigolds produce allelopathic compounds that can suppress nearby weeds and deter certain pests naturally.
  • 🌱 Flowers like zinnias and cosmos are 'cut-and-come-again' plants—removing flowers triggers production of even more blooms, potentially increasing flowering by 50% or more.
  • 🌱 Many small flowering plants are prolific self-seeders and will return year after year if allowed to drop seeds; some become naturalized in favorable climates.

Gardening Terms

New to gardening? Learn about terms used in this guide:

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