Also known as Globe Mallow · 115 gardener saves
Sphaeralcea: the varieties gardeners actually grow
Sphaeralcea, the genus most gardeners know as globe mallow. We track 3 varieties; these are the ones gardeners actually save and plant, ranked by real saves rather than catalog marketing. Each links to full care, bloom, and live price data.
The 3 most-saved Sphaeralcea varieties
Of 3 in the catalog — ordered by how many gardeners actually grow them.
#1 most savedDesert Mallow
Sphaeralcea ambigua
#2 most savedNewleaze Coral Globe Mallow
Sphaeralcea parvifolia 'Newleaze Coral'
#3 most savedKathy Echols Glade Mallow
Sphaeralcea incana 'Kathy Echols'
How to grow Sphaeralcea
What the Sphaeralcea varieties in our catalog actually agree on — drawn from the care records of the 3 most-grown of them, not from a generic template.
The Sphaeralcea year
- PruneFebruary100% of varieties
Cut back old woody stems to 4-6 inches in late winter
- Spring CleanupFebruary67% of varieties
Remove any dead or damaged foliage from winter
Do
- Water deeply during dry periods to keep soil moist but not waterlogged 🌱.
- Prune after flowering to maintain shape and encourage new growth.
- Apply mulch around plants to conserve moisture and suppress weeds.
- Use organic compost to enrich soil annually.
- Monitor regularly for pests and diseases.
Avoid
- Avoid overwatering, which can lead to root rot ❌.
- Do not fertilize excessively, as it may cause leggy growth.
- Refrain from pruning in late fall or winter.
- Avoid planting in heavy clay soils without amendments.
What goes wrong with Sphaeralcea
| Problem | What you'll see | What to do |
|---|---|---|
| Aphids | Sticky residue and distorted leaves | Spray with insecticidal soap or neem oil |
| Spider mites | Fine webbing and speckled leaves | Spray with water or use miticide |
| Root rot | Wilting despite watering, blackened roots | Ensure well-draining soil and reduce watering |
| Powdery Mildew | White powder on leaves | Apply sulfur fungicide or improve air circulation |
Making more Sphaeralcea
Seed
- Tuck seeds into moist soil in early spring.
- Maintain soil temperature around 65-70°F for germination.
- Keep soil consistently moist for 2-3 weeks.
- Thin seedlings to strongest plants after emergence.
Cuttings
- Select healthy semi-hardwood cuttings in late summer.
- Dip cut ends in rooting hormone powder.
- Plant in well-draining soil or sand.
- Keep soil moist and place in bright, indirect light.
- Roots develop in approximately 6 weeks.
Sphaeralcea questions
How many types of Sphaeralcea are there?
The Sow catalog tracks 3 distinct Sphaeralcea varieties. The most popular — ranked by 115 real gardener saves — are shown first above.
What zones does Sphaeralcea grow in?
Across its varieties, Sphaeralcea covers USDA Zones 4–10. Individual varieties differ — each plant page lists its exact range, and Sow filters the catalog to your zone automatically.
When does Sphaeralcea bloom?
Most Sphaeralcea varieties bloom in spring to fall, late spring to summer, mid-summer. Staggering early, mid, and late varieties extends the genus's season in one bed.
Which Sphaeralcea should I choose?
Start from the most-saved varieties above — popularity across thousands of gardens is a strong signal of reliability — then filter by your zone and sun. In the Sow app you can preview any of them in a photo of your actual yard before you buy.
Keep exploring
Sphaeralcea shows up in
By hardiness zone
Design with Sphaeralcea in your own yard
Snap a photo of your space and see these varieties planted in it — sized correctly, matched to your zone, with care reminders included.
