So many beautiful flowers grow well during the cooler temperatures of mild winters, but buying several transplants for flowers can be expensive. Luckily, many flowers grow well from seeds planted directly in the garden. In this post, I’ll share my favorite cool-season flowers to plant from seed.


10 Easiest Cool-Season Flowers to Plant From Seed #1: Calendula

Cool-Season Flowers to Plant From Seed
  • Edible; medicinal uses.
  • Reseeds easily.
  • Early bloomer.
  • Often grown as a trap crop for aphids. 
  • Keep deadheaded to encourage blooms. 

Read this article for more information about how to grow calendula.

Click here for seeds.

10 Easiest Cool-Season Flowers to Plant From Seed Calendula

10 Easiest Cool-Season Flowers to Plant From Seed #2: Cornflower (Bachelor Buttons)

Cool-Season Flowers to Plant From Seed
  • Reseeds easily.
  • Good cut flower.
  • Many colors are available.
  • Easy to grow. 
  • Keep deadheaded to encourage blooms. 

Read this article for more information about how to grow bachelor buttons.

Click here for seeds.

10 Easiest Cool-Season Flowers to Plant From Seed Bachelor Buttons

10 Easiest Cool-Season Flowers to Plant From Seed #3: Marigold

Cool Season Hardy Annual Flowers for Arizona
  • Good companion plant in the garden.
  • Reseeds easily.
  • Easy to grow.
  • Needs regular water. 
  • Cutting central stem early produces fuller branching stems. 
  • Keep deadheaded to encourage blooms. 

This article shares more information about how to grow marigolds.

Click here for seeds.

10 Easiest Cool-Season Flowers to Plant From Seed Marigold

10 Easiest Cool-Season Flowers to Plant From Seed #4: Hollyhock

Cool Season Hardy Annual Flowers for Arizona
  • Cottage garden favorite.
  • Many hollyhocks are biennials that grow strong root systems and foliage the first year. In the second year, they send up flowering shoots that produce seeds and then die.

This article shares more information about how to grow hollyhocks

Click here for seeds.

Cool-Season Flowers to Plant From Seed Hollyhock

10 Easiest Cool-Season Flowers to Plant From Seed #5: Nasturtium

Cool Season Hardy Annual Flowers for Arizona
  • Edible.
  • Good companion and trap crop.
  • Overly-rich soil results in fewer blooms.
  • Reseeds readily. 

This article shares more information about how to grow nasturtiums.

Click here for seeds.

Cool-Season Flowers to Plant From Seed nasturtium

10 Easiest Cool-Season Flowers to Plant From Seed #6: Poppy

Arizona Garden in March
  • Many different varieties (California, Shirley, Iceland).
  • Reseeds easily.
  • Seed pods are beautiful.
  • Needs regular water.
  • Easy to grow. 

Read this article for more information about how to grow poppies

Click here for seeds.

10 Cool-Season Flowers That Love Mild Winters
California poppy and linaria

10 Easiest Cool-Season Flowers to Plant From Seed #7: Strawflower

Cool-Season Flowers to Plant From Seed
  • Cutting central stem early produces fuller branching stems. 
  • Keep deadheaded to encourage blooms. 
  • Good cut flower.
  • Excellent for drying.

This article shares more information about how to grow strawflowers

Click here for seeds.

10 Easiest Cool-Season Flowers to Plant From Seed

10 Easiest Cool-Season Flowers to Plant From Seed #8: Sweet Peas

10 Cool-Season Flowers That Love Mild Winters
  • Prefer rich soil.
  • Need regular water.
  • Provide support or trellis for growing plants. 

Read this article for more information about how to grow sweet peas.

Click here for seeds.

10 Cool-Season Flowers That Love Mild Winters

10 Easiest Cool-Season Flowers to Plant From Seed #9: Alyssum

Cool-Season Flowers to Plant From Seed
  • If planted from seed, thin seedlings.
  • Easy to grow.
  • Grows well in the sun or part shade.
  • Reseeds easily. 

This article shares more information about how to grow alyssum.

Click here for seeds.

10 Easiest Cool-Season Flowers to Plant From Seed alyssum

10 Easiest Cool-Season Flowers to Plant From Seed #10: Larkspur

Cool-Season Flowers to Plant From Seed
  • Wildflower; reseeds heavily.
  • Several colors.
  • Easy to grow.
  • Attracts hummingbirds.

Click here for seeds.

10 Easiest Cool-Season Flowers to Plant From Seed larkspur

Other cool-season flowers to plant from seed include African daisy, flax, and forget-me-not.

Looking for more ideas? Check out this post about my favorite cool-season flowers that love mild winters.


Visual planting guides for vegetables, herbs, fruits, flowers & vines.



Perpetual Flower Planting Calendar for Zone 9B

Flowers to Plant Outside & Seeds to Start Indoors Each Month in the Low Desert of Arizona.
PLANTING GUIDE: Each month lists annual flowers and bulbs to plant outside & seeds to start indoors.
BLOOMING GUIDE: Photos show what may be in bloom that month.


If this post about which cool season flowers grow best from seed was helpful, please share it.


Angela Judd

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