In Jain pooja, sevanti (chrysanthemum) is simply one type of pushpa (flower) used in Pushpa Pujā, which is one of the eight dravyas of Aṣṭa‑prakārī pūjā.

1. Is sevanti allowed in Jain pooja? Yes. Jain dharma does not fix one particular flower. Traditionally:

• White or light‑coloured flowers are preferred (symbol of shuddhi – purity).
• Sevanti (especially white/yellow) is commonly used in many Jain families and derasars as part of pushpa‑pujā, depending on local maryādā (temple rules). ( jainknowledge.com)

If your temple has specific rules (e.g., “only jasmine/rose”), follow those first.

2. Spiritual meaning (why use sevanti/flower at all?)

In Aṣṭa‑prakārī pūjā, Pushpa Pujā means:

• Flower = sadā‑sugandhit charitra – fragrant, beautiful conduct.
• Just as a flower spreads fragrance to all without discrimination, we should live with love, softness, and compassion toward all jīvas.
• The short life of a flower reminds us: all worldly things are temporary, so keep vairāgya (detachment). ( jainknowledge.com)

Sevanti is used only as a symbol. We are not trying to “please” Bhagwān, but to improve our own conduct and bhāv.

3. Ahimsā point (very important)

• Plucking fresh flowers causes himsā to plant‑bodied jīvas.
• So many Jains today:

- Use minimal flowers, - Or only naturally fallen flowers, - Or use saffron‑coloured rice / artificial flowers / cloth flowers instead of many fresh ones. ( jainknowledge.com)

If you want to be stricter in ahimsā, keep sevanti use as limited and gentle as possible, or use symbolic pushpa instead.

4. Digambar / Śvetāmbara note

• Both traditions accept pushpa as one of the 8 dravyas.
• Actual practice (how many flowers, which type, or if they’re avoided) varies by temple and local maryādā more than by sect. ( jainknowledge.com)

So, sevanti is fine as a Jain pooja flower where your derasar/ghar‑pūjā tradition allows it, remembering:

• Use it with shuddha bhāv (pure intention),
• Reflect on fragrant, gentle conduct and detachment,
• Keep ahimsā foremost – minimum harm, minimum wastage.

You can read a simple explanation of why Jains use flowers in pūjā here